Estimating Sums and Differences: Fun with Math!

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

• 40

• 50

• 35

• 30

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

• 15

• 40

• 30

• 25

A baker made 30 cookies in the morning and 45 cookies in the afternoon. How many cookies did he make in total?

• 75

• 60

• 90

• 100

Sarah has 80 stickers. She loses 12 stickers. How many stickers does she have now?

• 75

• 60

• 68

• 70

In a classroom, there are 22 boys and 18 girls. How many students are there in total?

• 40

• 36

• 42

• 38

A farmer has 60 chickens. He sells 25 chickens. How many chickens does he have left?

• 35

• 50

• 45

• 25

Emma read 15 books this month and 25 books last month. How many books did she read in total?

• 40

• 35

• 45

• 30

There are 90 candies in a jar. If 35 candies are taken out, how many candies remain in the jar?

• 70

• 90

• 55

• 45

A toy store had 70 toys. They sold 28 toys. How many toys are left in the store?

• 38

• 60

• 42

• 50

Jack collected 45 coins. He found 30 more coins. How many coins does Jack have now?

• 50

• 60

• 75

• 80