Multiplication Arrays & Division Estimation Challenge

1. Sarah has 4 boxes of crayons. Each box contains 6 crayons. How many crayons does she have in total? (Use an array to find the product.)

• 18

• 30

• 12

• 24

Tags

CCSS.2.OA.C.4

2. A farmer has 36 apples and wants to pack them into bags with 9 apples each. How many bags can he fill? (Estimate the quotient.)

• 6

• 5

• 3

• 4

Tags

CCSS.4.NBT.B.6

3. There are 5 rows of chairs in a classroom, with 8 chairs in each row. How many chairs are there in total? (Use an array to solve.)

• 36

• 48

• 32

• 40

Tags

CCSS.2.OA.C.4

4. A baker made 48 cookies and wants to put them into boxes of 12 cookies each. How many boxes does he need? (Estimate the quotient.)

• 3

• 4

• 6

• 5

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

5. Lisa is organizing her stickers. She has 7 albums, and each album holds 10 stickers. How many stickers does she have altogether? (Use an array for multiplication.)

• 60

• 80

• 70

• 50

Tags

CCSS.2.OA.C.4

6. A toy store has 54 toy cars. If they want to display them in groups of 6, how many groups can they make? (Estimate the quotient.)

• 10

• 7

• 8

• 9

Tags

CCSS.4.NBT.B.6

7. There are 9 packs of gum, and each pack contains 4 pieces. How many pieces of gum are there in total? (Use an array to find the product.)

• 28

• 36

• 32

• 40

Tags

CCSS.2.OA.C.4

8. A school has 72 students going on a field trip. If they want to divide them into groups of 8, how many groups will there be? (Estimate the quotient.)

• 8

• 10

• 7

• 9

Tags

CCSS.5.NBT.B.7

9. Tom has 3 bags of marbles, and each bag contains 15 marbles. How many marbles does he have in total? (Use an array for multiplication.)

• 60

• 75

• 30

• 45

Tags

CCSS.2.OA.C.4

10. A library has 90 books and wants to arrange them on shelves with 10 books each. How many shelves will they need? (Estimate the quotient.)

• 10

• 9

• 7

• 8

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2