Practice the problems of Math in Focus Grade 3 Workbook Answer Key Cumulative Review Chapters 8 and 9 to score better marks in the exam.
Math in Focus Grade 3 Cumulative Review Chapters 8 and 9 Answer Key
Concepts and Skills
Complete. Use the digits 1, 3, and 8. (Lesson 8.3)
Question 1.
Write two 3-digit even numbers.
Answer:
Explanation:
a whole number that is able to be divided by two into two equal whole numbers
The numbers 0, 2, 4, 6, and 8 are even numbers.
Question 2.
Write four 3-digit odd numbers.
Answer:
Explanation:
An odd number is a number that cannot be divided into two equal groups.
Even numbers end in 2, 4, 6, 8 and 0 regardless of how many digits they have
Odd numbers end in 1, 3, 5, 7, 9.
Fill in the blanks. Use mental math. (Lesson 8.1)
Question 3.
6 ÷ 2 = ___
60 ÷ 2 = ___ tens ÷ 2
= ___ tens
= ____
600 ÷ 2 = hundreds ÷ 2
= ____ hundreds
= _____
Answer:
6 ÷ 2 = 3
60 ÷ 2 = 30 ; 3 tens ÷ 2
= 1 tens and 5 ones
= 15
600 ÷ 2 = 3 hundreds ÷ 2
= 1 hundreds 5 tens and 0 ones
= 150
Divide.
Question 4.
Answer:
Explanation:
96 ÷ 3 = 32
The quotient is 32
the remainder is 0
Question 5.
Answer:
Explanation:
93 ÷ 3 = 31
The quotient is 31
the remainder is 0
Question 6.
Answer:
Explanation:
56 ÷ 5 = 11
The quotient is 11
the remainder is 1
Question 7.
Answer:
Explanation:
73 ÷ 2 = 36
The quotient is 36
the remainder is 1
Question 8.
Answer:
Explanation:
47 ÷ 4 = 11
The quotient is 11
the remainder is 3
Question 9.
Answer:
Explanation:
98 ÷ 5 = 59
The quotient is 59
the remainder is 3
Divide. Then match the division facts that have the same quotients. (Lessons 8.1 and 8.2)
Question 10.
Answer:
Explanation:
The value of quotients are matched
35÷ 5 = 7
27÷ 3 = 9
120 ÷ 3 = 40
75 ÷ 5 = 15
64 ÷ 2 = 32
160 ÷ 4 = 40
56 ÷ 8 = 7
36 ÷ 4 = 9
96 ÷ 3 = 32
15 ÷ 1 = 15
Problem Solving
Solve. Draw bar models to help you.
Question 11.
Roland has 125 trading cards. Ian has three times as many trading cards as Roland. How many trading cards does Ian have?
Answer:
375 cards
Explanation:
Roland has 125 trading cards.
Ian has three times as many trading cards as Roland.
125 x 3 = 375
375 trading cards that Ian have
Question 12.
Mr. Hansen gives out 250 pencils to 5 classes. Each class receives an equal number of pencils. How many pencils does each class receive?
Answer:
50 pencils
Explanation:
Mr. Hansen gives out 250 pencils to 5 classes.
Each class receives an equal number of pencils.
250 ÷ 5 = 50
50 pencils that each class receive
Question 13.
Mike is three times as tall as Pamela. Pamela is 2 feet tall.
a. How tall is Mike?
Answer:
2 x 3 = 6 feet
Explanation:
Mike is three times as tall as Pamela.
Pamela is 2 feet tall.
2 x3 = 6 feet
b. How many feet taller is Mike than Pamela?
Answer:
6 – 2 = 4
Explanation:
Mike is three times as tall as Pamela.
Pamela is 2 feet tall.
2 x 3 = 6 feet
6 – 2 = 4
Question 14.
Mrs. Herra buys 3 boxes of oranges. She also buys 6 boxes of apples. Each box contains 65 pieces of fruit.
a. How many boxes of fruit does Mrs. Herra buy?
Answer:
3 x 6 = 18 boxes
Explanation:
Mrs. Herra buys 3 boxes of oranges.
She also buys 6 boxes of apples.
3 x 6 = 18
b. How many pieces of fruit does Mrs. Herra buy?
Answer:
585 pieces of fruit that Mrs. Herra buy
Explanation:
Mrs. Herra buys 3 boxes of oranges.
oranges 3 x 65 = 195
She also buys 6 boxes of apples.
apples 6 x 65 = 390
390 + 195 = 585 fruits
Question 15.
Sha un has 96 ounces of lemonade. He pours all the lemonade equally into 6 jugs. He then pours out one of the jugs of lemonade to fill 2 glasses. How many ounces of lemonade does each glass hold?
Answer:
8 ounces of lemonade
Explanation:
Sha un has 96 ounces of lemonade.
He pours all the lemonade equally into 6 jugs.
96 ÷ 6 = 16
He then pours out one of the jugs of lemonade to fill 2 glasses.
16 ÷ 2 = 8
8 ounces of lemonade that each glass hold
Question 16.
A watch costs $56. A camera costs double the amount of the watch. How much do the two items cost in all?
Answer:
$112 items cost
Explanation:
A watch costs $56.
A camera costs double the amount of the watch.
56 x 2 = 112
112 that the two items cost in all
Question 17.
Ben has 4 cartons of crayons. Each carton contains 1 20 crayons. He puts them equally into 6 cartons. How many crayons are in each carton?
Answer:
80 crayons
Explanation:
Ben has 4 cartons of crayons.
Each carton contains 1 20 crayons.
4 x 120 = 480
He puts them equally into 6 cartons.
480 ÷ 80
80 crayons are in each carton
Question 18.
Natalie has 275 centimeters of ribbon to make headbands. She makes 4 headbands and has 15 centimeters of ribbon left. What length of ribbon does she use for each headband?
Answer:
65 centimeters
Explanation:
Natalie has 275 centimeters of ribbon to make headbands.
She makes 4 headbands and has 15 centimeters of ribbon left.
275 – 15 = 260
260 ÷ 65
65 is the length of ribbon that she use for each headband