Adding and Subtracting Fun: Estimating with Number Lines

Lily has 25 apples. She buys 15 more apples. How many apples does she have now?

• 30

• 35

• 50

• 40

Tom has 50 marbles. He gives 20 marbles to his friend. How many marbles does Tom have left?

• 30

• 10

• 20

• 40

A bakery made 70 cookies. They sold 30 cookies. How many cookies are left in the bakery?

• 30

• 50

• 40

• 20

Sarah has 40 stickers. She finds 25 more stickers. How many stickers does she have altogether?

• 50

• 70

• 60

• 65

In a classroom, there are 60 pencils. If 15 pencils are broken, how many pencils are still good?

• 45

• 30

• 15

• 60

A farmer has 90 oranges. He picks 10 more oranges. How many oranges does he have now?

• 100

• 110

• 90

• 80

There are 80 books on a shelf. If 25 books are taken away, how many books remain on the shelf?

• 70

• 55

• 60

• 45

Emma has 35 toy cars. She buys 20 more toy cars. How many toy cars does she have in total?

• 45

• 50

• 60

• 55

A zoo has 45 lions and 30 tigers. How many big cats are there in total?

• 50

• 80

• 60

• 75

A store had 100 balloons. They sold 45 balloons. How many balloons are left in the store?

• 50

• 60

• 70

• 55