Estimating Sums & Differences: Fun with Addition/Subtraction

Lily has 25 apples. She gives 7 apples to her friend. How many apples does she have left?

• 15

• 20

• 18

• 10

Tom has 15 toy cars. He buys 9 more toy cars. How many toy cars does Tom have now?

• 30

• 20

• 18

• 24

A farmer has 40 chickens. 12 chickens are sold. How many chickens does the farmer have now?

• 30

• 25

• 35

• 28

Sarah read 18 books this year. She plans to read 5 more books. How many books will she have read in total?

• 25

• 20

• 23

• 15

In a classroom, there are 30 students. If 8 students go home early, how many students are still in the classroom?

• 18

• 25

• 20

• 22

A bakery made 50 cookies. They sold 23 cookies. How many cookies are left in the bakery?

• 27

• 20

• 30

• 25

There are 45 balloons at a party. 20 balloons popped. How many balloons are still inflated?

• 15

• 25

• 40

• 30

A library has 60 books. If 15 books are checked out, how many books remain in the library?

• 30

• 45

• 60

• 15

Emma has 10 stickers. She finds 15 more stickers. How many stickers does she have altogether?

• 10

• 20

• 25

• 30

A pet store has 25 fish. They sell 10 fish and receive 5 more. How many fish are in the store now?

• 5

• 20

• 30

• 15