Practice the problems of Math in Focus Grade 6 Workbook Answer Key Chapter 7 Algebraic Expressions to score better marks in the exam.
Math in Focus Grade 6 Course 1 A Chapter 7 Answer Key Algebraic Expressions
Math in Focus Grade 6 Chapter 7 Quick Check Answer Key
Draw a bar model to show each operation.
Question 1.
15 + 4
Answer:
19
Explanation:
Question 2.
17 – 9
Answer:
8
Explanation:
Question 3.
6 × 5
Answer:
30
Explanation:
Question 4.
28 ÷ 4
Answer:
7
Explanation:
Find the common factors and greatest common factor of each pair of numbers.
Question 5.
6 and 9
Answer:
Common Factor 1,3
Greatest Common Factor 3
Explanation:
To find the greatest common factor (GCF) between numbers,
take each number and write it’s prime factorization.
6 factors 1, 2, 3, 6
9 factors 1, 3,
Then, identify the factors common to each number and multiply those common factors together.
Question 6.
4 and 12
Answer:
Common Factor 1, 2, 4
Greatest Common Factor 4
Explanation:
To find the greatest common factor (GCF) between numbers,
take each number and write it’s prime factorization.
4 factors 1, 2, 4
12 factors 1, 2, 3, 4, 6
Then, identify the factors common to each number and multiply those common factors together.
Question 7.
5 and 15
Answer:
Common Factor 1, 5
Greatest Common Factor 5
Explanation:
To find the greatest common factor (GCF) between numbers,
take each number and write it’s prime factorization.
5 factors 1, 5
15 factors 1, 3, 5
Then, identify the factors common to each number and multiply those common factors together.
Question 8.
8 and 28
Answer:
Common Factor 1, 2, 4
Greatest Common Factor 4
Explanation:
To find the greatest common factor (GCF) between numbers,
take each number and write it’s prime factorization.
8 factors 1, 2, 4, 8
28 factors 1, 2, 4, 7, 14, 28
Then, identify the factors common to each number and multiply those common factors together.
Complete with quotient, sum, difference, product, dividend, or divisor.
Question 9.
The 
“5 less than 7” is 7 – 5.
Answer:
Difference
Explanation:
“5 less than 7” is 7 – 5.
the difference of 7 – 5 = 2
Question 10.
The of 5 and 7 is \(\frac{5}{7}\). 7 is the and 5 is the .
Answer:
The fraction of 5 and 7 is \(\frac{5}{7}\). 7 is the divisor and 5 is the dividend.
Explanation:
The fractions are defined as the parts of a whole.
The dividend is the number that is being divided in the division process.
The number by which dividend is being divided by is called divisor.
Question 11.
The of 5 and 7 is 7× 5.
Answer:
Product
Explanation:
The product of 5 and 7 is 7× 5.
When we multiply 2 numbers we call as product.
Question 12.
The of 5 and 7 is 5 + 7.
Answer:
Sum
Explanation:
The sum of 5 and 7 is 5 + 7.
sum can be defined as the result or answer we get on adding two or more numbers.