Two-Step Math Puzzles: Estimating Sums & Differences

Lily has 45 apples. She gives 12 apples to her friend and then buys 20 more. How many apples does she have now?

• 57

• 25

• 53

• 33

A baker made 120 cookies. He sold 45 cookies in the morning and then baked 30 more. How many cookies does he have now?

• 150

• 75

• 105

• 90

Tom has 75 marbles. He loses 18 marbles and then finds 25 more. How many marbles does he have now?

• 82

• 75

• 100

• 57

A farmer has 200 oranges. He sells 75 oranges and then picks 50 more from his trees. How many oranges does he have now?

• 125

• 200

• 175

• 150

Sarah read 60 pages of her book. She read 15 pages on Monday and then read 25 pages on Tuesday. How many pages does she have left to read?

• 30 pages

• 15 pages

• 20 pages

• 25 pages

In a class, there are 32 students. If 12 students are absent and 5 new students join, how many students are in the class now?

• 25

• 27

• 20

• 30

A toy store had 150 toys. They sold 40 toys and then received a shipment of 60 new toys. How many toys do they have now?

• 170

• 110

• 200

• 130

A library has 500 books. If 150 books are checked out and 75 new books are added, how many books are in the library now?

• 350

• 425

• 450

• 500

A gardener planted 120 flowers. If 30 flowers died and he planted 50 more, how many flowers does he have now?

• 140

• 130

• 100

• 90

A school has 250 pencils. If 100 pencils are given to students and 50 new pencils are bought, how many pencils are there in total?

• 300

• 150

• 200

• 250