Mastering Addition & Subtraction: Estimate & Solve!

Lily has 45 apples. She gives 12 apples to her friend. How many apples does she have left?

• 33

• 40

• 25

• 50

A bookstore has 120 books. They sold 37 books last week. How many books are left in the store?

• 90

• 75

• 100

• 83

Tom has 56 marbles. He finds 23 more marbles in his bag. How many marbles does Tom have now?

• 56

• 79

• 70

• 83

Sarah read 78 pages of her book. If she has 150 pages in total, how many pages does she have left to read?

• 72 pages

• 68 pages

• 80 pages

• 75 pages

A farmer has 200 chickens. He sells 45 chickens at the market. How many chickens does he have now?

• 155

• 160

• 200

• 145

In a class, there are 30 students. If 8 students are absent, how many students are present?

• 18

• 22

• 20

• 25

A toy store had 150 toys. They received a shipment of 75 new toys. How many toys do they have now?

• 200

• 150

• 225

• 100

Emma collected 90 stickers. She gave 25 stickers to her brother. How many stickers does she have left?

• 65

• 75

• 55

• 80

A bakery made 250 cookies. They sold 120 cookies in the morning. How many cookies are left?

• 100

• 130

• 150

• 200

A library has 500 books. If 150 books are checked out, how many books remain in the library?

• 400

• 350

• 250

• 300