Math Challenge: Key Info & Accuracy for Grade 3

Lily has 15 apples. She gives 4 apples to her friend and then buys 10 more. How many apples does she have now?

• 10

• 25

• 21

• 15

Tom has 20 marbles. He loses 5 marbles and then finds 8 more. How many marbles does Tom have in total?

• 23

• 15

• 18

• 25

A farmer has 30 chickens. He sells 12 and then buys 5 more. How many chickens does he have now?

• 30

• 18

• 25

• 23

Sarah read 25 pages of her book on Monday and 18 pages on Tuesday. If she wants to read 100 pages in total, how many more pages does she need to read?

• 70 pages

• 30 pages

• 45 pages

• 57 pages

In a classroom, there are 18 boys and 22 girls. If 5 boys leave the class, how many students are left in total?

• 35

• 30

• 34

• 36

A toy store had 50 toys. They sold 15 toys and then received a shipment of 30 new toys. How many toys are in the store now?

• 75

• 45

• 65

• 55

Mark has 40 stickers. He gives 10 to his sister and then buys 25 more. How many stickers does he have now?

• 30

• 70

• 45

• 55

Emma baked 24 cookies. She gave 6 cookies to her friends and then baked 12 more. How many cookies does she have now?

• 36

• 30

• 18

• 24

A library has 150 books. If 30 books are checked out and 20 new books are added, how many books are in the library now?

• 160

• 140

• 120

• 150

A gardener planted 50 flowers. 15 flowers died, and he planted 10 more. How many flowers does he have now?

• 45

• 30

• 55

• 40