Base 10
Multiplication and Division
Solving Word Problems
Unknown Factor
Multi-Step Problems
100

There were 3 buses for a field trip. Each bus held 50 students. How many students were on the field trip altogether?

A. 50

B. 53

C. 120

D. 150

D. 150

100

Ian has 16 grapes. He placed all the grapes into four equal groups. Which equation can you use to find the number of grapes Ian put in each group?

A. 16 + 4 = 20

B. 16 x 4 = 64

C. 16 ÷ 4 = 4

D. 16 - 4 = 12

C. 16 ÷ 4 = 4

100

Gissela used 63 apples to make 9 apple pies. Each pie had the same number of apples. Which equation shows the number of apples in each pie?

A. 9 x 63 = a

B. 9 ÷ 63 = a

C. a x 63 = 9

D. 63 ÷ 9 = a

D. 63 ÷ 9 = a

100

Which equation is another way to show 48 ÷ 8 = ?

A. 48 x ? = 8

B. 8 ÷ 48 = ?

C. 8 x ? = 48

D. ? ÷ 8 = 48

C. 8 x ? = 48

100

On Monday Jose walked from his house 6 blocks to school, 5 blocks to the library, 2 blocks to the arcade and then the same path home. How many blocks did Jose walk althogether?

A. 11

B. 13

C. 22

D. 26

D. 26

200

Which number makes 70 x ___ = 210 true?

A. 3

B. 4

C. 30

D. 40

A. 3

200

Which equation matches this array?

x x x x x x x x 

x x x x x x x x 

x x x x x x x x 

x x x x x x x x 

8 x 4 = 32 or 32 ÷ 4 = 8

200

Keren put 5 stickers on 7 pieces of notebook paper. Which equation could you use to find the total number of stickers Keren used?

A. 5 + 7 = ?

B. 7 - 5 = ?

C. ? ÷ 12 = 5

D. ? ÷ 7 = 5

D. ? ÷ 7 = 5

200

What number should be in the circle?

9 x O = 54

A. 5 

B. 6

C. 7

D. 8 

B. 6

200

Cristian buys 3 packages of stickers. There are 6 stickers in each package. Cristian wants to share the stickers equally with his friend. How many stickers will each person get?

A. 9 

B. 10

C. 18

D. 2

A. 9 

300

Payton drank 90 ounces of water for 7 days. How many ounces did she drink in all?

A. 150

B. 160

C. 560

D. 630

D. 630

300

Which choice shows 42 ÷ 7 = 6?

A. Maribel read 42 pages in 7 minutes. About how many pages did she read each minute?

B. Maribel walked 6 miles on Saturday and 7 miles on Sunday. How many miles did she walk altogether?

C. Maribel bought 42 plates for the party. She used 7 plates before the party started. Howm many plates are left?

D. Maribel had 42 vases. She bought 7 more vases. How many vases did Maribel have altogether?

A. Maribel read 42 pages in 7 minutes. About how many pages did she read each minute?


300

Matthew used 83 straws for a science project. He put as many straws as possible into groups of 10. How many groups of 10 straws did he make?

A. 3

B. 7

C. 8

D. 9 

C. 8

300

Which equation has the same missing number as 88 ÷ 8 = ?

A. ? + 88 = 8

B. 88 - ? = 8

C. 8 x ? = 88

D. 8 ÷ ? = 88

C. 8 x ? = 88

300

Keshawn travels 4 miles from his house to his friend's house and then back home again 3 times each week. Which equation would find the total number of miles Keshawn travels each week?

A. (4 + 3) x 2 = T

B. (4 x 2) x 3 = T

C. (4 + 2) x 3 = T

D. (4 + 2) x 3 = T


B. (4 x 2) x 3 = T

400

Which method shows one way to find 4x20?

A. Multiply 4x10, then multiply by 1.

B. Multiply 4x2, then multiply by 10.

C. Multiply 4x10, then add 10. 

D. Multiply 4x2, then add 10.

B. Multiply 4x2, then multiply by 10.

400

There are 64 students competing at a math competition. Each team has 8 students. How many teams are competing?

8 teams

400

Ismael made this row of oranges and THEN he made 6 more rows:

O O O O O O

How many oranges did he use in total?

A. 6

B. 7

C. 36

D. 42

D. 42


400

The division problem 64 ÷ 4 = ? can be thought of as 4 x ? = 64. The ? is a missing factor. What is the factor?

A. 16

B. 60

C. 68

D. 256

A. 16

400

Belinda needs to draw 500 pictures to set a new record. On Monday she drew 230 pictures and she drew 132 pictures on Tuesday. Which of the following equations could be used to find how many pictures she still needs to draw?

A. 500 - ? = 230 - 132

B. 230 + 500+ ? = 500

C. 500 + 230 + 132 = ?

D. 500 - 230 = 132


B. 230 + 500 + ? = 500

500

A store has packages of yogurt for sale. Each package has 4 containers of yogurt. The store manager ordered 50 packages of strawberry yogurt, 30 packages of blueberry yogurt, and 10 packages or cherry yogurt. How many yogurts did he order in all?

360 yogurts

500

Draw two arrays that match the equation 18 ÷ 6 = 3

draw on board

500

Mrs. Thompson planted a graded. She planted an equal number of plants in each row. She had 72 plants. There were 9 rows of plants. How many plants were in each row?

Write an equation with a variable and solve. 

72 ÷ 9 = x , 8 plants in each row

500

Write two equations with an unknown factor to match this word problem. Jeancarlo read the same number of books each day for one week. He read 56 books in total. How many books did he read each day?

b x 7 = 56 AND

56 ÷ 7 = b

500

Cindy is making dinner. She cooks the sausage for 34 minutes in the oven. She then puts the sausage in the tomato sauce for 47 minutes. ESTIMATE about how much time she spends on cooking. 

About 80 minutes