Multiplication

What multiplication problem does this area model represent?

• 20 x 7
• 27 x 19
• 19 + 20
• 20 + 7 + 10 + 9

What goes in the empty box?

• 24

• 240

• 46

• 40

Based on the area model, what is the product of 13 and 7?

• 70
• 21
• 91
• 49

What partial product goes in area C?

• 24

• 27

• 36

• 40

Fill in the missing number

• 80
• 160
• 16
• 8

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 is the product of the problem represented in the array?

• 840

• 820

• 775

• 745

The area model represents 72 X 59.

Which answer shows all the correct partial products?

• 3500 + 630 + 100 + 18

• 350 + 630 + 100 + 18

• 3500 + 100 + 63 + 18

• 3500 + 630 + 10 + 18

The area model represents 14 X 76.

Which answer shows all the correct partial products?

• 700 + 280 + 60 + 24

• 70 + 280 + 60 + 24

• 700 + 28 + 60 + 24

• 700 + 280 + 6 + 24

The area model represents 38 X 16.

Which answer shows all the correct partial products?

• 300 + 180 + 8 + 48

• 30 + 180 + 80 + 48

• 300 + 180 + 80 + 48

• 300 + 18 + 80 + 48