Multiplication for Area

B=?

• 80

• 800

• 60

• 8

What is the correct answer for each letter?

• A=350 B=100 C=630 D=18

• A=3,500 B=10 C=630 D=18

• A=3,500 B=100 C=630 D=18

• A=3,500 B=100 C=540 D=18

Use Area Model to Solve

59 x 72

• 4,248

• 4,284

• 4,158

• 1.098

Use Area Model to Solve:

33 x 57

• 1,692

• 1,781

• 531

• 1,881

32 x 45 =

Use Area Model to prove your answer is correct .

• 1350

• 1440

• 1605

• 1445

44 x 17 =

Prove your answer with an area model.

• 765

• 748

• 308

• 704

81 x 25

• 2,000

• 642

• 2,025

• 7,412

25 x 16

• 400

• 500

• 4,000

• 5,000

Which shows the best estimate to use for estimating 37 × 63?

• 40 × 70 = 2,800

• 50 × 60 =  3,000

• 40 × 60 =  2,400

• 30 × 60 =  1,800

65 x 21

• 1,365

• 2,560

• 1,200

• 490