Multiplication and Division: Estimation Challenges for 4th Grade

A farmer has 24 apples. He wants to pack them into boxes that hold 6 apples each. How many boxes does he need? If he wants to pack 3 more apples, how many boxes will he need now?

• 5 boxes for 24 apples, 6 boxes for 27 apples

• 3 boxes for 24 apples, 4 boxes for 27 apples

• 4 boxes for 24 apples, 5 boxes for 27 apples

• 4 boxes for 25 apples, 5 boxes for 26 apples

Sarah has 48 stickers. She wants to share them equally among her 8 friends. How many stickers will each friend get? If she decides to keep 8 stickers for herself, how many will she have left to share?

• Each friend will get 4 stickers.

• Each friend will get 3 stickers.

• Each friend will get 6 stickers.

• Each friend will get 5 stickers.

A school is organizing a field trip for 120 students. If each bus can carry 30 students, how many buses are needed? If 2 more students join the trip, how many buses will be required now?

• 6 buses

• 5 buses

• 4 buses

• 3 buses

Tom bought 5 packs of crayons. Each pack contains 12 crayons. How many crayons does he have in total? If he gives 18 crayons to his friend, how many does he have left?

• 36

• 30

• 54

• 42

A bakery made 150 cookies. They sold 3/5 of them in the morning. How many cookies were sold? If they bake 50 more cookies in the afternoon, how many cookies do they have now?

• 120

• 90

• 110

• 130

A gardener plants 4 rows of flowers with 15 flowers in each row. How many flowers did he plant in total? If he decides to plant 10 more flowers, how many flowers will he have?

• 70

• 80

• 60

• 50

Lisa has 36 marbles. She wants to put them into bags with 9 marbles each. How many bags will she need? If she finds 9 more marbles, how many bags will she need now?

• 7 bags

• 5 bags

• 4 bags

• 6 bags

A toy store has 120 toys. If they sell 1/4 of them, how many toys are left? If they receive a shipment of 30 new toys, how many toys do they have now?

• 90

• 150

• 100

• 120

A library has 240 books. If they donate 1/3 of the books, how many books are donated? If they buy 60 new books, how many books do they have now?

• 300

• 180

• 240

• 220

A pizza shop sells 5 types of pizzas. If each type has 8 slices and they sell 3 types, how many slices did they sell? If they sell 10 more slices, how many slices have they sold in total?

• 34 slices

• 40 slices

• 24 slices

• 30 slices