Multiplication & Division: Estimating and Checking Answers

A farmer has 4 fields. Each field has 6 rows of corn. How many rows of corn does the farmer have in total? If he sells 10 rows, how many rows are left?

• 24 rows

• 16 rows

• 14 rows

• 10 rows

Tags

CCSS.3.OA.A.3

Lily has 5 packs of stickers. Each pack contains 8 stickers. How many stickers does she have altogether? If she gives away 12 stickers, how many does she have now?

• 24

• 20

• 28

• 36

Tags

CCSS.3.OA.A.3

A baker makes 3 types of cookies. He bakes 15 cookies of each type. How many cookies does he bake in total? If he sells 20 cookies, how many cookies are left?

• 10 cookies

• 25 cookies

• 5 cookies

• 30 cookies

Tags

CCSS.3.OA.A.3

A toy store has 7 shelves. Each shelf holds 9 toys. How many toys are there in total? If 25 toys are sold, how many toys remain?

• 50

• 38

• 30

• 45

Tags

CCSS.3.OA.A.3

A school has 6 classes with 24 students in each class. How many students are there in total? If 30 students transfer to another school, how many students are left?

• 120

• 100

• 114

• 90

Tags

CCSS.3.OA.A.3

Emma reads 4 books each month. If she continues this for 5 months, how many books will she have read? If she donates 10 books, how many will she have left?

• 10

• 15

• 20

• 5

Tags

CCSS.3.OA.A.3

A gardener plants 8 rows of flowers. Each row has 10 flowers. How many flowers are planted in total? If 15 flowers die, how many flowers are still alive?

• 65 flowers

• 60 flowers

• 75 flowers

• 70 flowers

Tags

CCSS.3.OA.A.3

A library has 9 shelves with 12 books on each shelf. How many books are there in total? If 18 books are checked out, how many books remain in the library?

• 108 books

• 72 books

• 81 books

• 90 books

Tags

CCSS.3.OA.A.3

A pet store has 5 tanks with 6 fish in each tank. How many fish are there in total? If 10 fish are sold, how many fish are left?

• 25

• 15

• 20

• 30

Tags

CCSS.3.OA.A.3

A classroom has 3 tables. Each table has 4 chairs. How many chairs are there in total? If 5 chairs are broken, how many chairs are still usable?

• 7

• 8

• 10

• 6

Tags

CCSS.3.OA.A.3