Array Adventures: Multiply and Add Challenge for 3rd Graders

A farmer has 4 rows of apple trees. Each row has 5 trees. If he plants 3 more trees, how many trees does he have in total?

• 18

• 20

• 23

• 25

Lily has 6 packs of crayons. Each pack contains 8 crayons. If she gives away 4 crayons, how many does she have left?

• 48

• 40

• 44

• 36

A baker makes 3 batches of cookies. Each batch has 12 cookies. If he sells 5 cookies, how many cookies does he have now?

• 25

• 30

• 36

• 31

In a classroom, there are 5 tables. Each table has 4 chairs. If 3 chairs are broken, how many chairs are still usable?

• 17

• 15

• 18

• 16

A toy store has 7 shelves. Each shelf holds 6 toys. If they sell 8 toys, how many toys are left in the store?

• 30

• 25

• 40

• 34

A gardener plants 2 rows of flowers. Each row has 9 flowers. If he adds 5 more flowers, how many flowers are there now?

• 18

• 20

• 25

• 23

A library has 8 boxes of books. Each box contains 10 books. If 15 books are checked out, how many books remain in the library?

• 70

• 60

• 75

• 65

A pet shop has 3 cages. Each cage holds 4 rabbits. If 2 rabbits are sold, how many rabbits are still in the cages?

• 8

• 10

• 12

• 6

A school has 4 classes. Each class has 7 students. If 5 students transfer to another school, how many students are left?

• 20

• 30

• 23

• 25

A pizza shop makes 5 pizzas. Each pizza is cut into 8 slices. If 10 slices are eaten, how many slices are left?

• 30 slices

• 25 slices

• 20 slices

• 15 slices