Mastering Integer Addition & Subtraction with Number Lines

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

• 6

• 10

• 12

• 8

2. A train leaves the station with 120 passengers. At the next stop, 35 passengers get off. How many passengers are still on the train?

• 100

• 75

• 85

• 90

3. Tom found 8 marbles in his bag. Later, he found 12 more marbles. How many marbles does Tom have now?

• 18

• 25

• 20

• 15

4. There are 50 books on a shelf. If 18 books are taken away, how many books remain on the shelf?

• 22

• 28

• 32

• 40

5. Lisa has 30 stickers. She buys 25 more stickers. How many stickers does she have in total?

• 50

• 45

• 60

• 55

6. A gardener planted 40 flowers. After a storm, 15 flowers were damaged. How many flowers are still healthy?

• 20

• 30

• 35

• 25

7. In a classroom, there are 22 students. If 5 students go home early, how many students are left in the classroom?

• 15

• 20

• 17

• 10

8. A baker made 60 cookies. He sold 23 cookies. How many cookies does he have left?

• 23

• 60

• 40

• 37

9. A library had 200 books. If 45 books were checked out, how many books are still in the library?

• 100

• 200

• 155

• 145

10. Emma has 50 toy cars. She gives 20 cars to her brother and then buys 10 more. How many toy cars does she have now?

• 50

• 30

• 40

• 20