Estimate and Check: Fun with Two-Digit Subtraction!

Lily has 45 apples. She gives away 23 apples. How many apples does she have left? Estimate the difference before solving.

• 20

• 22

• 30

• 25

Tags

CCSS.2.NBT.B.5

Tom has 67 marbles. He loses 29 marbles. How many marbles does he have now? Check your answer by adding the lost marbles back.

• 38

• 58

• 29

• 67

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

A store had 82 candies. They sold 36 candies. How many candies are left in the store? Estimate first to see if your answer is reasonable.

• 50

• 40

• 60

• 46

Sarah read 54 pages of a book. She has 18 pages left to read. How many pages are in the book? Check your work by adding the pages read and left.

• 80

• 72

• 50

• 60

Tags

CCSS.2.OA.A.1

There are 91 students in a school. 47 students are boys. How many girls are there? Estimate the number of girls before calculating.

• 45

• 44

• 43

• 50

A farmer has 76 chickens. He sells 28 chickens. How many chickens does he have now? Verify your answer by checking the total after selling.

• 50

• 60

• 48

• 40

Tags

CCSS.2.OA.A.1

In a library, there are 64 fiction books. 29 of them are checked out. How many fiction books are still in the library? Estimate the difference first.

• 50

• 29

• 35

• 45

Emma has 58 stickers. She gives 22 stickers to her friend. How many stickers does she have left? Check your answer by adding the stickers given away.

• 50

• 40

• 30

• 36

Tags

CCSS.2.OA.A.1

A toy store had 73 toys. They donated 45 toys. How many toys are left? Estimate the number of toys remaining before solving.

• 35

• 30

• 25

• 28

Jack has 85 toy cars. He lost 37 of them. How many toy cars does he still have? Check your work by adding the lost cars back to the total.

• 37

• 48

• 85

• 52

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2