Multiplication

Gregory uses this model to multiply 46×38. Enter the correct value for each area.

• Area A: 12,000 Area B: 1,800 Area C: 3,200 Area D: 480

• Area A: 70, Area B: 36, Area C: 48, Area D: 14

• Area A: 700, Area B: 90, Area C: 120, Area D: 14

• Area A: 1,200, Area B: 180, Area C: 320, Area D: 48

Sandra used the multiplication array to solve 24 × 35.

What values should fill the 3 empty boxes and what is the final answer?

• 600, 120, 100, 20, final answer 840

• 600, 12, 10, 20, final answer 642

• 600, 1200, 70, 9 final answer 1879

• 745

Tim has 10 dozen golf balls. How many golf balls does he have?

• 987

• 120

• 074

• 357

Tags

CCSS.7.EE.B.3

Last autumn, Abby raked leaves in her neighbors' yard 23 times. She earned $15 each time she raked leaves. Use the model to answer the question. How much money did Abby earn raking leaves last autumn?

• $110

• $245

• $275

• $345

15 x 7 

• 105
• 115
• 110
• 125

Tags

CCSS.4.NBT.B.5

40x30

• 12

• 70

• 120

• 1,200

Tags

CCSS.4.NBT.B.5

What number goes in the purple box?

What values will go in each box in order to solve this problem?

• 200, 160, 400, 32

• 90, 44, 58, 12

• 20, 16, 40, 24

• 2,000, 16, 40, 32

CHALLENGE: Joe is trying to multiply 2 two digit numbers. You can see the work so far. What is the multiplication sentence?

• 40 x 30

• 41 x 35

• 40 x 31

• 41 x 30

Alex, Drew and Mike are working 32 x 12. They use area modeling. Which model is correct?

• A

• B

• C