Adding and Identifying Multiples of Ten Fun!

1. Sarah has 30 apples. If she buys 20 more apples, how many apples does she have in total?

• 40

• 60

• 70

• 50

2. There are 50 students in the school. If 10 more students join, how many students are there now?

• 70

• 50

• 55

• 60

3. A baker made 40 cookies. If he makes 30 more cookies, how many cookies does he have altogether?

• 70

• 80

• 60

• 50

4. Tom has 70 marbles. He gives away 20 marbles to his friend. How many marbles does Tom have left?

• 40

• 50

• 60

• 30

5. Lisa has 10 balloons. If she gets 40 more balloons for her party, how many balloons does she have now?

• 30

• 50

• 20

• 60

6. A toy store has 60 toys. If they sell 30 toys, how many toys are left in the store?

• 50

• 40

• 20

• 30

7. There are 90 books on the shelf. If 10 books are taken away, how many books remain?

• 100

• 80

• 70

• 90

8. A farmer has 80 chickens. If he buys 20 more chickens, how many chickens does he have now?

• 110

• 90

• 100

• 70

9. Jenny collected 20 stickers. If she finds 50 more stickers, how many stickers does she have in total?

• 30

• 100

• 70

• 50

10. A library has 100 books. If they donate 40 books, how many books are still in the library?

• 50

• 60

• 80

• 70