Math in Focus

Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 14 Practice 5 Adding and Subtracting Like Fractions to score better marks in the exam.

Math in Focus Grade 3 Chapter 14 Practice 5 Answer Key Adding and Subtracting Like Fractions

Complete the model. Add the fractions.

Example

Question 1.

Answer:

Explanation:
In the above image we can observe 3/5 part is shaded with black color and 1/5 part is shaded with gray color. Add the fraction 3/5 with 1/5 the sum is 4/5.

Question 2.

Answer:

Explanation:
In the above image we can observe 2/6 part is shaded with black color and 3/6 part is shaded with gray color. Add the fraction 2/6 with 3/6 the sum is 5/6.

Question 3.

Answer:

Explanation:
In the above image we can observe 2/7 part is shaded with black color and 3/7 part is shaded with gray color. Add the fractions 2/7 with 3/7 the sum is 5/7.

Complete.

Question 4.

Answer:

Explanation:
In the above image we can observe 2/7 part is shaded with black color and 1/7 part is shaded with gray color and 4/7 part is shaded with white color. Add the fractions 2/7 and 1/7 with 4/7 the sum is 7/7.

Question 5.

Answer:

Explanation:
In the above image we can observe 2/6 part is shaded with black color and 2/6 part is shaded with gray color and 1/6 part is shaded with white color. Add the fractions 2/6 and 2/6 with 1/6 the sum is 5/6.

Question 6.

Answer:

Explanation:
In the above image we can observe 4/9 part is shaded with black color and 2/9 part is shaded with gray color and 1/9 part is shaded with white color. Add the fractions 4/9 and 2/9 with 1/9 the sum is 7/9.

Question 7.

Answer:

Explanation:
In the above image we can observe 1/8 part is shaded with black color and 3/8 part is shaded with gray color and 4/8 part is shaded with white color. Add the fractions 1/8 and 3/8 with 4/8 the sum is 8/8.

Complete the model. Subtract the fractions.

Example

Question 8.

Answer:

Explanation:
In the above image we can observe 1/5 part is shaded with black color and 3/5 part is shaded with both black and gray colors. We have to find out gray color shaded part. Subtract 1/5 from 3/5 the difference is 2/5. 2/5 part is shaded with gray color.

Question 9.

Answer:

Explanation:
In the above image we can observe 1/7 part is shaded with black color and 6/7 part is shaded with both black and gray colors. We have to find out gray color shaded part. Subtract 1/7 from 6/7 the difference is 5/7. 5/7 part is shaded with gray color.

Complete.

Question 10.

Answer:

Explanation:
In the above image we can observe 5/9 part is shaded with black color and 7/9 part is shaded with both black and gray colors. We have to find out gray color shaded part. Subtract 5/9 from 7/9 the difference is 2/9. 2/9 part is shaded with gray color.

Question 11.

Answer:

Explanation:
In the above image we can observe 2/6 part is shaded with black color and 5/6 part is shaded with both black and gray colors. We have to find out gray color shaded part. Subtract 2/6 from 5/6 the difference is 3/6. 3/6 part is shaded with gray color.

Question 12.

Answer:

Explanation:
In the above image we can observe 2/7 part is shaded with black color, 2/7 part is shaded with gray color and 7/7 part is shaded with black, gray and white colors. We have to find out white color shaded part. Subtract 2/7 and 2/7 from7/7 the difference is 3/7. 3/7 part is shaded with white color.

Question 13.

Answer:

Explanation:
In the above image we can observe 1/9 part is shaded with black color, 5/9 part is shaded with gray color and 9/9 part is shaded with black, gray and white colors. We have to find out white color shaded part. Subtract 1/9 and 5/9 from 9/9 the difference is 3/9. 3/9 part is shaded with white color.

Add.

Question 14.
\(\frac{1}{4}+\frac{2}{4}\) = _______________
Answer:
1/4 + 2/4 = 3/4
Explanation:
Perform addition operation on above two fractions. Add 1/4 with 2/4 the sum is 3/4.

Question 15.
\(\frac{2}{6}+\frac{3}{6}\) = _______________
Answer:
2/6 + 3/6 = 5/6
Explanation:
Perform addition operation on above two fractions. Add 2/6 with 3/6 the sum is 5/6.

Question 16.
\(\frac{2}{5}+\frac{2}{5}\) = _______________
Answer:
2/5 + 2/5 = 4/5
Explanation:
Perform addition operation on above two fractions. Add 2/5 with 2/5 the sum is 4/5.

Question 17.
\(\frac{3}{7}+\frac{1}{7}\) = _______________
Answer:
3/7 + 1/7 = 4/7
Explanation:
Perform addition operation on above two fractions. Add 3/7 with 1/7 the sum is 4/7.

Question 18.
\(\frac{2}{9}+\frac{5}{9}\) = _______________
Answer:
2/9 + 5/9 = 7/9
Explanation:
Perform addition operation on above two fractions. Add 2/9 with 5/9 the sum is 7/9.

Question 19.
\(\frac{5}{11}+\frac{6}{11}\) = _______________
Answer:
5/11 + 6/11 = 11/11 = 1
Explanation:
Perform addition operation on above two fractions. Add 5/11 with 6/11 the sum is 11/11. The simplified form of 11/11 is 1.

Question 20.
\(\frac{1}{8}+\frac{4}{8}\) = _______________
Answer:
1/8 + 4/8 = 5/8
Explanation:
Perform addition operation on above two fractions. Add 1/8 with 4/8 the sum is 5/8.

Question 21.
\(\frac{1}{4}+\frac{3}{4}\) = _______________
Answer:
1/4 + 3/4 = 4/4 = 1
Explanation:
Perform addition operation on above two fractions. Add 1/4 with 3/4 the sum is 4/4. The fraction 4/4 in simplified form is 1.

Question 22.
\(\frac{1}{6}+\frac{5}{6}\) = _______________
Answer:
1/6 + 5/6 = 6/6 = 1
Explanation:
Perform addition operation on above two fractions. Add 1/6 with 5/6 the sum is 6/6. The fraction 6/6 in simplified form is 1.

Question 23.
\(\frac{3}{9}+\frac{1}{9}\) = _______________
Answer:
3/9 + 1/9 = 4/9
Explanation:
Perform addition operation on above two fractions. Add 3/9 with 1/9 the sum is 4/9.

Question 24.
\(\frac{2}{10}+\frac{3}{10}+\frac{4}{10}\) = _______________
Answer:
2/10 + 3/10 + 4/10 = 9/10
Explanation:
Perform addition operation on above three fractions. Add 2/10 and 3/10 with 4/10 the sum is 9/10.

Question 25.
\(\frac{5}{12}+\frac{4}{12}+\frac{2}{12}\) = _______________
Answer:
5/12 + 4/12 + 2/12 = 11/12
Explanation:
Perform addition operation on above three fractions. Add 5/12 and 4/12 with 2/12 the sum is 11/12.

Question 26.
\(\frac{2}{6}+\frac{1}{6}+\frac{2}{6}\) = _______________
Answer:
2/6 + 1/6 + 2/6 = 5/6
Explanation:
Perform addition operation on above three fractions. Add 2/6 and 1/6 with 2/6 the sum is 5/6.

Question 27.
\(\frac{5}{8}+\frac{1}{8}+\frac{2}{8}\) = _______________
Answer:
5/8 + 1/8 + 2/8 = 8/8 = 1
Explanation:
Perform addition operation on above three fractions. Add 5/8 and 1/8 with 2/8 the sum is 8/8. The fraction 8/8 in simplified form is 1.

Question 28.
\(\frac{3}{9}+\frac{1}{9}+\frac{4}{9}\) = _______________
Answer:
3/9 + 1/9 + 4/9 = 8/9
Explanation:
Perform addition operation on above three fractions. Add 3/9 and 1/9 with 4/9 the sum is 8/9.

Question 29.
\(\frac{1}{7}+\frac{4}{7}+\frac{1}{7}\) = _______________
Answer:
1/7 + 4/7 + 1/7 = 6/7
Explanation:
Perform addition operation on above three fractions. Add 1/7 and 4/7 with 1/7 the sum is 6/7.

Question 30.
\(\frac{1}{4}+\frac{1}{4}+\frac{1}{4}\) = _______________
Answer:
1/4 + 1/4 + 1/4 = 3/4
Explanation:
Perform addition operation on above three fractions. Add 1/4 and 1/4 with 1/4 the sum is 3/4.

Question 31.
\(\frac{2}{5}+\frac{1}{5}+\frac{1}{5}\) = _______________
Answer:
2/5 + 1/5 + 1/5 = 4/5
Explanation:
Perform addition operation on above three fractions. Add 2/5 and 1/5 with 1/5 the sum is 4/5.

Subtract.

Question 32.
\(\frac{4}{5}-\frac{2}{5}\) = _______________
Answer:
4/5 – 2/5 = 2/5
Explanation:
Perform subtraction operation on above two fractions. Subtract 2/5 from 4/5 the difference is 2/5.

Question 33.
\(\frac{5}{6}-\frac{4}{6}\) = _______________
Answer:
5/6 – 4/6 = 1/6
Explanation:
Perform subtraction operation on above two fractions. Subtract 4/6 from 5/6 the difference is 1/6.

Question 34.
\(\frac{8}{9}-\frac{4}{9}\) = _______________
Answer:
8/9 – 4/9 = 4/9
Explanation:
Perform subtraction operation on above two fractions. Subtract 4/9 from 8/9 the difference is 4/9.

Question 35.
\(\frac{9}{11}-\frac{3}{11}\) = _______________
Answer:
9/11 – 3/11 = 6/11
Explanation:
Perform subtraction operation on above two fractions. Subtract 3/11 from 9/11 the difference is 6/11.

Question 36.
\(\frac{6}{7}-\frac{3}{7}\) = _______________
Answer:
6/7 – 3/7 = 3/7
Explanation:
Perform subtraction operation on above two fractions. Subtract 3/7 from 6/7 the difference is 3/7.

Question 37.
\(\frac{11}{12}-\frac{4}{12}\) = _______________
Answer:
11/12 – 4/12 = 7/12
Explanation:
Perform subtraction operation on above two fractions. Subtract 4/12 from 11/12 the difference is 7/12.

Question 38.
\(\frac{5}{6}-\frac{1}{6}\) = _______________
Answer:
5/6 – 1/6 = 4/6
Explanation:
Perform subtraction operation on above two fractions. Subtract 1/6 from 5/6 the difference is 4/6.

Question 39.
\(\frac{7}{8}-\frac{3}{8}\) = _______________
Answer:
7/8 – 3/8 = 4/8
Explanation:
Perform subtraction operation on above two fractions. Subtract 3/8 from 7/8 the difference is 4/8.

Question 40.
\(1-\frac{7}{9}\) = _______________
Answer:
1 – 7/9 = (9 – 7)/9 = 2/9
Explanation:
Perform subtraction operation on above two fractions. Subtract 7/9 from 1 the difference is 2/9.

Question 41.
\(1-\frac{5}{10}\) = _______________
Answer:
1 – 5/10 = (10 – 5)/10 = 5/10 = 1/2
Explanation:
Perform subtraction operation on above two fractions. Subtract 5/10 from 1 the difference is 5/10. The simplified form of the fraction 5/10 is 1/2.

Question 42.
\(\frac{8}{12}-\frac{1}{12}-\frac{2}{12}\) = _______________
Answer:
8/12 – 1/12 – 2/12 = (8 – 1 – 2)/12 = 5/12
Explanation:
Perform subtraction operation on above three fractions. Subtract 1/12 and 2/12 from 8/12 the difference is 5/12.

Question 43.
\(\frac{9}{12}-\frac{1}{12}-\frac{3}{12}\) = _______________
Answer:
9/12 – 1/12 – 3/12 = (9 – 1 – 3)/12 = 5/12
Explanation:
Perform subtraction operation on above three fractions. Subtract 1/12 and 3/12 from 9/12 the difference is 5/12.

Question 44.
\(\frac{10}{12}-\frac{2}{12}-\frac{3}{12}\) = _______________
Answer:
10/12 – 2/12 – 3/12 = (10 – 2 – 3)/12 = 5/12
Explanation:
Perform subtraction operation on above three fractions. Subtract 2/12 and 3/12 from 10/12 the difference is 5/12.

Question 45.
\(\frac{8}{11}-\frac{1}{11}-\frac{5}{11}\) = _______________
Answer:
8/11 – 1/11 – 5/11 = 2/11
Explanation:
Perform subtraction operation on above three fractions. Subtract 1/11 and 5/11 from 8/11 the difference is 2/11.

Question 46.
\(\frac{8}{9}-\frac{2}{9}-\frac{3}{9}\) = _______________
Answer:
8/9 – 2/9 – 3/9 = (8 – 2 – 3)/9 = 3/9 = 1/3
Explanation:
Perform subtraction operation on above three fractions. Subtract 2/9 and 3/9 from 8/9 the difference is 3/9. The simplified form of the fraction 3/9 is 1/3.

Question 47.
\(\frac{6}{7}-\frac{1}{7}-\frac{4}{7}\) = _______________
Answer:
6/7 – 1/7 – 4/7 = (6 – 1 -4)/7 = 1/7
Explanation:
Perform subtraction operation on above three fractions. Subtract 1/7 and 4/7 from 6/7 the difference is 1/7.

Question 48.
\(1-\frac{2}{9}-\frac{3}{9}\) = _______________
Answer:
1 – 2/9 – 3/9 = (9 – 2 -3)/9 = 4/9
Explanation:
Perform subtraction operation on above three fractions. Subtract 2/9 and 3/9 from 1 the difference is 4/9.

Question 49.
\(1-\frac{1}{7}-\frac{4}{7}\) = _______________
Answer:
1 – 1/7 – 4/7 = (7 – 1 – 4)/7 = 2/7
Explanation:
Perform subtraction operation on above three fractions. Subtract 1/7 and 4/7 from 1 the difference is 2/7.

Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 14 Practice 4 Comparing Fractions to score better marks in the exam.

Math in Focus Grade 3 Chapter 14 Practice 4 Answer Key Comparing Fractions

Compare the fractions.

Example

Question 1.

___________ is greater than ___________.
Answer:
5/7 is greater than 1/2.

Question 2.

___________ is less than ___________.
Answer:
4/9 is less than 1/2.

Compare the fractions.

Question 3.

___________ is greater than ___________.
Answer:
2/3 is greater than 1/3.
Explanation:
In the above images we can observe two fractions 2/3 and 1/3. It is easy to compare fractions with the same denominator. The least fraction is the one with the lowest numerator. So, 2/3 is greater than 1/3.

Question 4.

___________ is less than ___________.
Answer:
3/8 is less than 5/8.
Explanation:
In the above images we can observe two fractions 3/8 and 5/8. It is easy to compare fractions with the same denominator. The least fraction is the one with the lowest numerator. So, 3/8 is less than 5/8.

Question 5.

___________ is greater than ___________.
Answer:
4/5 is greater than 4/10.
Explanation:
In the above images we can observe two fractions 4/10 and 4/5. It is easy to compare fractions with the same numerator. The least fraction is the one with the greatest denominator. So, 4/5 is greater than 4/10.

Question 6.

___________ is less than ___________.
Answer:
3/7 is less than 3/5.
Explanation:
In the above images we can observe two fractions 3/7 and 3/5. It is easy to compare fractions with the same numerator. The least fraction is the one with the greatest denominator. So, 3/7 is less than 3/5.

Compare the fractions.

Example

Question 7.
\(\frac{7}{9}\) and \(\frac{2}{3}\)
\(\frac{2}{3}\) = __________
__________ < ___________
Answer:
7/9 and 2/3
2/3 = 6/9
2/3 < 7/9
Explanation:
The equivalent fraction of 2/3 is 6/9. Compare 6/9 and 7/9. It is easy to compare fractions with the same denominator. The least fraction is the one with the lowest numerator. So, 2/3 is less than 7/9.

Question 8.
\(\frac{4}{5}\) and \(\frac{1}{2}\)
\(\frac{4}{5}\) = ____________
\(\frac{1}{2}\) = ____________
__________ > __________
Answer:
4/5 and 1/2
Below are the equivalent like fractions.
4/5 = 8/10
1/2 = 5/10
4/5 > 1/2
Explanation:
It is easy to compare fractions with the same denominator. The least fraction is the one with the lowest numerator. So, 4/5 is greater than 1/2.

Question 9.
\(\frac{5}{6}\) and \(\frac{1}{4}\)
\(\frac{5}{6}\) = ____________
\(\frac{1}{4}\) = ____________
___________ < ___________
Answer:
5/6 and 1/4
Below are the equivalent like fractions.
5/6 = 10/12
1/4 = 3/12
1/4 < 5/6
Explanation:
It is easy to compare fractions with the same denominator. The least fraction is the one with the lowest numerator. So, 1/4 is less than 5/6.

Use number lines to compare fractions.

Example

Complete.

Question 10.

Which is greater, \(\frac{3}{5}\) or \(\frac{5}{6}\)?
___________ > __________
Which is less, \(\frac{2}{5}\) or \(\frac{3}{6}\)?
___________ < __________
Answer:

5/6 > 3/5
2/5 < 3/6
Explanation:
In the above image we can observe two number lines.
Compare these two fractions 3/5 and 5/6. In first number line we can observe 3/5. In the second number line we can observe 5/6. The red line is drawn from first number line to second number line to know which fraction is greater. The fraction 5/6 is greater than 3/5.
Compare these two fractions 2/5 and 3/6. In first number line we can observe 2/5. In the second number line we can observe 3/6. The green line is drawn from first number line to second number line to know which fraction is less. The fraction 2/5 is less than 3/6.

Compare. Choose > or <. Use \(\frac{1}{2}\) as a benchmark.

Question 11.


Answer:

Explanation:
In the above image we can observe three number lines. To compare the fractions we are using the first number line as 1/2 benchmark.
The fractions before 1/2 are the fractions less than 1/2.
The fractions after 1/2 are the fractions greater than 1/2.
The fraction 4/6 is greater than 1/2 as we can observe in the second number line.
The fraction 1/8 is less than 1/2 as we can observe in the third number line.
So, 4/6 is greater than 1/8.

Compare the fractions. Fill in the blanks.

Question 12.
\(\frac{4}{7}\) and \(\frac{6}{7}\)
_____________ is greater.
Answer:
4/7 and 6/7
6/7 is greater.
Explanation:
By comparing these two fractions 4/7 and 6/7. 6/7 is greater than 4/7.

Question 13.
\(\frac{2}{5}\) and \(\frac{2}{10}\)
_____________ is greater.
Answer:
2/5 and 2/10
2/5 is greater.
Explanation:
By comparing these two fractions 2/5 and 2/10. The simplified form of the fraction 2/10 is 1/5. So, 2/5 is greater than 2/10.

Question 14.
\(\frac{7}{12}\) and \(\frac{1}{2}\)
_____________ is greater.
Answer:
7/12 and 1/2
7/12 is greater.
Explanation:
By comparing these two fractions 7/12 and 1/2. The fraction 7/12 is greater than 1/2.

Question 15.
\(\frac{5}{11}\) and \(\frac{1}{2}\)
_____________ is less.
Answer:
5/11 and 1/2
5/11 is less.
Explanation:
By comparing these two fractions 5/11 and 1/2. The fraction 5/11 is less than 1/2.

Question 16.
\(\frac{7}{12}\) and \(\frac{5}{11}\)
_____________ is less.
Answer:
7/12 and 5/11
5/11 is less.
Explanation:
By comparing these two fractions 7/12 and 5/11. The fraction 5/11 is less than 7/12.

Order the fractions from greatest to least.

Example

Answer:

Question 17.
\(\frac{7}{11}, \frac{5}{11}, \frac{11}{11}\)
Answer:
11/11, 7/11, 5/11.
Explanation:
The least fraction is the one with the lowest numerator. The fractions from greatest to least are 11/11, 7/11, 5/11.

Question 18.
\(\frac{2}{3}, \frac{5}{6}, \frac{4}{10}\)
Answer:
5/6, 2/3, 2/5
Explanation:
The fraction from greatest to least are 5/6, 2/3, 2/5.

Question 19.
\(\frac{1}{3}, \frac{1}{2}, \frac{3}{4}\)
Answer:
3/4, 1/2, 1/3
Explanation:
The fraction from greatest to least are 3/4, 1/2, 1/3.

Question 20.
\(\frac{1}{2}, \frac{2}{3}, \frac{3}{4}\)
Answer:
3/4, 2/3, 1/2
Explanation:
The fractions from greatest to least are 3/4, 2/3, 1/2.

Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 10 Practice 8 Real-World Problems: Money to score better marks in the exam.

Math in Focus Grade 3 Chapter 10 Practice 8 Answer Key Real-World Problems: Money

Solve.

Draw bar models to help you.

Question 1.
Mrs. Twohill buys a bottle of cooking oil for $6.75. She gives the cashier two $5 bills. How much change does she receive?

Answer:

$10 – $6.75 = $3.25
She receives $3.25 change.
Explanation:
Mrs. Twohill buys a bottle of cooking oil for $6.75. She gives the cashier two $5 bills. Two $5 bills means $10. Subtract $6.75 from $10 the difference is $3.25. She receives $3.25 change.

Question 2.
Mr. Larson spends $37.50 at a supermarket. He spends $8.25 less than Mrs. Rosa. How much does Mrs. Rosa spend?
Answer:

$37.50 + $8.25 = $45.75
Mrs. Rosa spend $45.75.
Explanation:
Mr. Larson spends $37.50 at a supermarket. He spends $8.25 less than Mrs. Rosa. Add $37.50 with $8.25 the sum is $45.75. Mrs. Rosa spend $45.75.

Solve. Draw bar models to help you.

Question 3.
Lisa buys a tennis racket and a can of tennis balls. The can of tennis balls costs $18.60. The racket costs $40.85 more.
a. How much is the racket?
Answer:
$18.60 + $40.85 = $59.45
The racket cost is $59.45.
Explanation:
Lisa buys a tennis racket and a can of tennis balls. The can of tennis balls costs $18.60. The racket costs $40.85 more. Add $18.60 with $40.85 the sum is $59.45. The racket cost is $59.45.

b. How much does she spend in all?
Answer:

$18.60 + $59.45 = $78.05
She spends $78.05 in all.
Explanation:
The can of tennis balls costs $18.60. The racket cost is $59.45. Add $18.60 with $59.45 the sum is $78.05. She spends $78.05 in all.

Question 4.
Jacob has $8.65 to take to the fair. His mother gives him $15.50 more. He spends $16.45 at the fair.
a. How much does he bring to the fair?
Answer:

$8.65 + $15.50 = $24.15
He brings $24.15 to the fair.
Explanation:
Jacob has $8.65 to take to the fair. His mother gives him $15.50 more. Add $8.65 with $15.50 the sum is $24.15. He brings $24.15 to the fair.

b. How much does he have left?
Answer:

$24.15 – $16.45 = $7.70
He have left $7.70.
Explanation:
He brings $24.15 to the fair. He spends $16.45 at the fair. Subtract $16.45 from $24.15 the difference is $7.70. He have left $7.70.

Question 5.
Madi buys a carton of milk and a bag of bagels. She gives the cashier $10 and receives $5.25 change. The bag of bagels costs $2.75. How much does the carton of milk cost?

Answer:
$10 – $5.25 = $4.75
The carton of milk and a bag of bagels cost is $4.75.
$2.75 + $ = $4.75
$4.75 – $2.75 = 2
The cost of carton of milk is $2.
Explanation:
Madi buys a carton of milk and a bag of bagels. She gives the cashier $10 and receives $5.25 change. Subtract $5.25 from $10 the difference is $4.75. The carton of milk and a bag of bagels cost is $4.75.
The bag of bagels costs $2.75. Subtract $2.75 from $4.75 the difference is $2. The cost of carton of milk is $2.

Question 6.
Jordan saved $10.40 last month. He saved $5.50 less this month. How much did he save in the two months?
Answer:
$10.40 – $5.50 = $4.9
He saved $4.9 this month.
$10.40 + $4.9 = $15.3
He saves $15.3 in the two months.
Explanation:
Jordan saved $10.40 last month. He saved $5.50 less this month. Subtract $5.50 from $10.40 the difference is $4.9. He saved $4.9 this month.
Add $10.40 with $4.9 the sum is $15.3. He saves $15.3 in the two months.

Question 7.
A board game costs $28.45. It is $15.20 more than a paint set. The paint set costs $7.90 more than a toy car. How much does the toy car cost?
Answer:
$28.45 – $15.20 = $13.25
The paint set cost is $13.25.
$13.25 – $7.90 =$5.35
The toy car cost is $5.35.
Explanation:
A board game costs $28.45. It is $15.20 more than a paint set. Which means the paint set cost is $15.20 less than a board game cost. Subtract $15.20 from $28.45 the difference is $13.25. The paint set cost is $13.25.
The paint set costs $7.90 more than a toy car. Which means the toy car cost is $7.90 less than a paint set cost. Subtract $7.90 from $13.25 the difference is $5.35. The toy car cost is $5.35.

Question 8.
Tim and Karen each had the same amount of money to start with. Karen pays $24.60 for a CD and has $7.50 left. Tim buys a watch for $22.75. How much money does Tim have left?
Answer:
$ – $24.60 = $7.50
$7.50 + $24.60 = $32.10
Tim and Karen have $32.10.
Tim buys a watch for $22.75.
$32.10 – $22.75 = $9.35
Tim have $9.35 left.
Explanation:
Tim and Karen each had the same amount of money to start with. Karen pays $24.60 for a CD and has $7.50 left. Add $7.50 with $24.60 the sum is $32.10. Tim and Karen have $32.10. Tim buys a watch for $22.75. Subtract $22.75 from $32.10 the difference is $9.35. Tim have $9.35 left.

This handy Math in Focus Grade 1 Workbook Answer Key Chapter 7 Practice 2 Place Value detailed solutions for the textbook questions.

Math in Focus Grade 1 Chapter 7 Practice 2 Answer Key Place Value

Look at the pictures. Fill in the blanks.

Example

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Fill in the place-value charts.

Example

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Show the number.
Draw for tens and for ones.

Example

Question 8.

Answer:

Question 9.

Answer:

Question 10.

Answer:

Question 11.

Answer:

Look at the place-value charts. Write the numbers. Fill in the blanks.

Question 12.

Answer:

Question 13.

Answer:

Question 14.

Answer:

Question 15.

Answer:

Fill in the blanks.

Question 16.
13 = 1 ten ___ ones
Answer: 13 = 1 ten 3 ones

Question 17.
17 = ___ ten 7 ones
Answer: 17 = 1 ten 7 ones

Question 18.
15 = 1 ten ___ ones
Answer: 15 = 1 ten 5 ones

Question 19.
12 = ____ ten 2 ones
Answer: 12 = 1 ten 2 ones

Question 20.
19 = 1 ten ___ ones
Answer: 19 = 1 ten 9 ones

This handy Math in Focus Grade 1 Workbook Answer Key Chapter 7 Practice 3 Comparing Numbers detailed solutions for the textbook questions.

Math in Focus Grade 1 Chapter 7 Practice 3 Answer Key Comparing Numbers

Write the number in each set. Then fill in the blanks.

Example

Question 2.

Set ___ has ___ more penguins than Set ____
Answer:
Set A: 14
Set B: 18
Set B has 4 more penguins than Set A.

Write the number in each set. Then fill in the blanks.

Question 2.

Set ___ has ___ more crocodiles than Set ____
Answer:
Set A: 19
Set B: 11
Set A has 8 more crocodiles than Set B

Question 3.

Set ___ has ___ fewer fish than Set ___
Answer:
Set A: 11
Set B: 13
Set A has 2 fewer fish than Set B.

Question 4.

Set ___ has ___ fewer butterflies than Set ___
Answer:
Set A: 19
Set B: 17
Set B has 2 fewer butterflies than Set A

Question 5.

Set ___ has ___ fewer ants than Set ___
Answer:
Set A: 16
Set B: 12
Set B has 4 fewer ants than Set A

Color the house with the number that is less. Then fill in the blanks.

Example

Question 6.

Answer: 12 is less than 14

The tens are equal.
Compare the ones.
9 ones is greater than 6 ones.
6 ones is less than 9 ones.

Question 7.

Answer: 19 is greater than 17

Find the number that is less. Color the animal red. Find the number that is greater. Color the animal blue.

Question 8.

Answer:

Question 9.

Answer:

Color the creature with the correct number. Then fill in the blanks.

Question 10.
the number that is greater

How much greater is the number? _____
Answer: 14 is the greater number than 11.

Question 11.
the number that is less

How much less is the number? ____
Answer: 15 is the less number than 19.

Fill in the blanks in each place-value chart. Then color the sign with the greatest number.

Question 12.

Answer:

Fill in the blanks in each place-value chart. Then color the sign with the least number.

Question 13.

Answer:

Compare the numbers. Fill in the blanks.

Question 14.

____ is the least number.
_____ is the greatest number.
Answer:
12 is the least number.
18 is the greatest number.

Compare the numbers.
Fill in the blanks.

Question 15.

___ is the least number.
_____ is the greatest number.
Answer:
8 is the least number.
18 is the greatest number.

Question 16.

____ is the least number.
____ is the greatest number.
Answer:
10 is the least number.
16 is the greatest number.

Question 17.

____ is the least number.
____ is the greatest number.
Answer:
9 is the least number.
19 is the greatest number.

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 9 Practice 1 Comparing Two Things to score better marks in the exam.

Math in Focus Grade 1 Chapter 9 Practice 1 Answer Key Comparing Two Things

Circle the correct answer.

Example
Which is longer?

Question 1.
Who is taller?

Answer:

Question 2.
Which is shorter?

Answer:

Fill in the blanks.

Example

Which is longer? Which is shorter?

The snake is longer than the caterpillar.
The caterpillar is shorter than the snake.

Question 3.
Which is shorter? Which is taller?

The giraffe is ___ than the tree.
The tree is ____ than the giraffe.
Answer:
The giraffe is shorter than the tree.
The tree is taller than the giraffe.

Question 4.
Which is longer? Which is shorter.

The train is ____ than the truck.
The truck is ___ than the train.
Answer:
The train is longer than the truck.
The truck is shorter than the train.

Question 5.
Which is shorter? Which is taller?

The duck is ____ than the swan.
The swan is ___ than the duck.
Answer:
The duck is shorter than the swan.
The swan is longer than the duck.

Draw.
a longer arrow

Question 6.
a shorter tree

Answer:

Question 7.
a longer and taller ship

Answer:

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 9 Practice 3 Using a Start Line to score better marks in the exam.

Math in Focus Grade 1 Chapter 9 Practice 3 Answer Key Using a Start Line

Cut out the caterpillars.
Paste them on the box in the order shown.

Question 1.

Answer:

Question 2.

Answer:

Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 9 Practice 4 Measuring Things to score better marks in the exam.

Math in Focus Grade 1 Chapter 9 Practice 4 Answer Key Measuring Things

Count.

Fill in the blanks.

Example

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Fill in the blanks.

What is the length of each tape?

Example

The tape is about 8 buttons long.
It is about 2 pegs long.

Question 6.

The tape is about _____ buttons long.
It is about ____ pegs long.
Answer:
The tape is about 11 buttons long.
It is about 3 pegs long.

Question 7.

The tape is about _____ buttons long.
It is about ____ pegs long.
Answer:
The tape is about 9 buttons long.
It is about 2 and half pegs long.

Question 8.

The tape is about _____ buttons long.
It is about ____ pegs long.
Answer:
The tape is about 6 buttons long.
It is about one and half pegs long.

Question 9.

The tape is about _____ buttons long.
It is about ____ pegs long.
Answer:
The tape is about 5 buttons long.
It is about one and half pegs long.

Go through the Math in Focus Grade 2 Workbook Answer Key Chapter 6 Practice 2 Multiplying 2: Using Dot Paper to finish your assignments.

Math in Focus Grade 2 Chapter 6 Practice 2 Answer Key Multiplying 2: Using Dot Paper

Use dot paper to solve.

Question 1.
There are 4 bags. 2 rolls are in each bag. How many rolls are there in all?

4 × 2 = ____
There are ___ rolls in all.
Answer:
Explanation:
Given:
Total number of bags = four
each bag has = two rolls
Multiply four with two we get
4 × 2 = 8
There are 8 rolls in all.

Question 2.
6 bicycles are in the shop. Each bicycle has 2 wheels. How many wheels are there in all?

Answer:

Explanation:
Given:
Total number of bicycle in a shop  = six
each each bicycle has = two wheels
Multiply six with two we get
6 × 2 = 12
There are 12 wheels in all.

Use dot paper to solve.

Question 3.
Mrs. Smith buys 5 burgers for her children. Each burger costs $2. How much do the 5 burgers cost in all?

Answer:

Explanation:
Given:
Total number of burgers  Mrs. Smith buys for her children = five
Each burger costs = two dollar
Multiply four with two we get
5 × 2 =10
The five burgers cost $ 10 in all

Question 4.
Ed buys 9 pairs of socks. Each pair of socks costs $2. How much do the socks cost in all?

Answer:

Explanation:
Given:
Total number of pair of socks Ed buys = nine
Each pair of socks costs = two dollar
Multiply nine with two we get
9 × 2 = 18
The five burgers cost $ 18 in all

Use dot paper to find the missing numbers.

Example

Question 5.

Answer:

Question 6.
6 × 2 = 10 + ___
= ______
Answer:
6 × 2 = 10 + 2
= 12

Question 7.
8 × 2 = 20 – ___
= ____
Answer:
8 × 2 = 20 – 4
= 16

Use dot paper to find the missing numbers.

Example

Question 8.

Answer:

Question 9.

Answer:

Go through the Math in Focus Grade 2 Workbook Answer Key Chapter 6 Practice 4 Multiplying 5: Using Dot Paper to finish your assignments.

Math in Focus Grade 2 Chapter 6 Practice 4 Answer Key Multiplying 5: Using Dot Paper

Use dot paper to solve.

Example
Kelly uses 5 beads to make one necklace. How many beads does she use to make 8 necklaces?

8 × 5 = 40
She uses 40 beads to make 8 necklaces.

Question 1.
9 friends buy tickets to a movie. Each ticket costs $5. How much do the friends pay in all for the tickets?
_____ × $ ____ = $ ____
The pay $_____ in all for the tickets.
Answer:
9 × $5 = $45
The pay $45 in all for the tickets.
Explanation:
Given:
Number of friends are there to by tickets = 9 friends
each tickets cost  = $5
To know how much the friends have to pay in all for the tickets, we need to multiply 5 with 9 then we get
5 × 9 = 45
So, they have to pay $45 in total for the tickets

Question 2.
Ellen packs some books into 10 boxes. She packs 5 books into each box. How many books does she pack in all?
_____ × _____ = _____
She packs ____ books into 10 boxes.
Answer:
10 × 5 = 50
She packs 50 books into 10 boxes.
Explanation:
Given:
Total number of boxes Ellen packs the books into = 10
In each box she packs = 5 books
To know how many hooks in total she packs we need to multiply 10 with 5 so we get
10 × 5 = 50
In total she packs 50 books in 10 boxes.

Multiply.

Color the dots to help you.

Example

Question 3.

Answer:

Multiply.

Color the dots to help you.

Question 4.

Answer:

Use dot paper to fill in the blanks.

Question 5.

Answer:

Use dot paper to fill in the blanks.

Question 6.

Answer:

Question 7.

Answer: