Topic 11

Lauryn works at a restaurant. On Monday, she served 9 tables with 6 people at each table.

On Tuesday, she served 86 people. She wants to know how many more people she served on Tuesday than on Monday.

Which pair of expressions shows the correct way to solve this problem.

• 9 x 6 = M, 86 + 63 = T

• 9 x 6 = M, 86 - 63 = T

• 9 + 6 = M, 86 - 15 = T

• 9 + 6 = M, 86 + 15 = T

Tags

CCSS.3.OA.D.8

Cathy works at a diner. On Monday, she served 4 tables with 5 people at each table.

On Tuesday, she served 49 people. She wants to know how many more people she served on Tuesday than on Monday.

Which pair of expressions shows the correct way to solve this problem?

• 4 + 5 = M, 49 - 9 = T

• 4 x 5 = M, 20 - 49 = T

• 4 x 5 = M, 49 - 20 = T

• 4 + 5 = M, 9 + 49 = T

Tags

CCSS.3.OA.A.3

Alyssa works at a deli. On Monday, she served 7 tables with 4 people at each table.

On Tuesday, she served 54 people. She wants to know how many more people she served on Tuesday than on Monday.

Which pair of expressions shows the correct way to solve this problem?

• 7 x 4 = M, 54 - 28 = T

• 7 x 4 = M, 54 + 28 = T

• 7 + 4 = M, 54 + 11 = T

• 7 + 4 = M, 54 - 11 = T

Tags

CCSS.3.OA.D.8

Roger has 120 peanuts. He saves 48 for himself. He divides the rest equally among 8 friends.

He wants to find how many peanuts each friend gets.

Which of the following equations will he use? Choose all that apply.

• 120 + 48 = 168

• 120 - 48 = 72

• 48 $\div$ 8 = 6

• 48 + 8 = 56

• 72 $\div$ 8 = 9

Tags

CCSS.3.OA.D.8

Pat has 172 peanuts. He saves 72 for himself. He divides the rest equally among 10 friends.

He wants to find how many peanuts each friend gets.

• 172 - 10 = 162

• 72 + 172 = 244

• 172 - 72 = 100

• 72 $\div$ 10 = 7.2

• 100 $\div$ 10 = 10

Tags

CCSS.3.OA.D.8

Marco sells coupon books to his neighbors. 4 neighbors each buy 2 coupon books.

There are 8 coupons in each book.

What is the total number of coupons that all of his neighbors will get?

• 18 coupons

• 48 coupons

• 64 coupons

• 32 coupons

Tags

CCSS.3.OA.A.3

Noah sells magazine subscriptions to his neighbors. 6 neighbors each buy 2 subscriptions.

There are 5 issues in a subscription.

What is the total number of issues that all of his neighbors will get?

• 40 subscriptions

• 13 subscriptions

• 10 subscriptions

• 60 subscriptions

Tags

CCSS.3.OA.A.3

Brielle sells cases of cookies to her neighbors neighbors. 5 neighbors each buy 2 cases.

There are 12 boxes of cookies in each case.

What is the total number of cookie boxes that all of her neighbors will get?

• 60 boxes

• 120 boxes

• 19 boxes

• 29 boxes

Tags

CCSS.3.OA.D.8

A diner has 645 napkins. 325 napkins are used at lunch. 113 napkins are used at dinner.

Melanie says that 325 – 113 = n napkins are used in all, and that 645 – 212 = r napkins are left.

Is her answer reasonable?

• no

• yes

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

A school has 743 pencils. 324 pencils are given to Grade 3 and 269 pencils are give to Grade 2.

Megan says that 324 + 269= n is how many pencils are given in all, and that 743 – 593 = l pencils that are left.

Is her answer reasonable?

• no

• yes

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2