Estimating Sums and Differences: Fun with Math!

Lily has 45 apples. She gives away 27 apples. How many apples does she have left?

• 27

• 18

• 36

• 45

Tom has 32 marbles. He buys 19 more marbles. How many marbles does Tom have now?

• 51

• 30

• 60

• 45

A baker made 56 cookies. He sold 29 cookies. How many cookies does he have left?

• 20

• 27

• 30

• 25

Sarah has 78 stickers. She loses 34 stickers. How many stickers does she have now?

• 68

• 44

• 54

• 38

There are 64 students in a class. If 28 students go on a field trip, how many students are left in the class?

• 40

• 36

• 30

• 50

A toy store had 90 toys. They sold 45 toys. How many toys are still in the store?

• 75

• 45

• 30

• 60

Emma read 53 pages of a book. She plans to read 27 more pages. How many pages will she have read in total?

• 90

• 75

• 60

• 80

A farmer has 82 chickens. He sells 39 chickens. How many chickens does he have left?

• 21

• 82

• 39

• 43

In a library, there are 120 books. If 45 books are checked out, how many books remain in the library?

• 100

• 75

• 90

• 65

A gardener planted 75 flowers. 28 flowers died. How many flowers are still alive?

• 50

• 60

• 75

• 47