Adding and Subtracting with Estimation and Number Lines

Lily has 15 apples. She gives 7 apples to her friend. How many apples does Lily have left?

• 12

• 8

• 10

• 6

Tom has 8 toy cars. He buys 5 more toy cars. How many toy cars does Tom have now?

• 10

• 13

• 15

• 12

There are 20 birds in a tree. 5 birds fly away. How many birds are still in the tree?

• 10

• 20

• 5

• 15

Sarah has 12 stickers. She finds 4 more stickers. How many stickers does she have in total?

• 10

• 14

• 16

• 20

A farmer has 30 cows. 10 cows are sold. How many cows does the farmer have now?

• 20

• 10

• 25

• 15

In a box, there are 25 chocolates. If 10 chocolates are eaten, how many chocolates are left?

• 15

• 5

• 20

• 10

Emma has 18 balloons. She gives 6 balloons to her brother. How many balloons does Emma have now?

• 0

• 12

• 6

• 18

A library has 50 books. If 15 books are checked out, how many books are left in the library?

• 30

• 25

• 40

• 35

Jack has 14 marbles. He wins 9 more marbles in a game. How many marbles does Jack have altogether?

• 23

• 25

• 18

• 20

There are 22 students in a class. If 4 students go home early, how many students are still in the class?

• 18

• 22

• 16

• 20