Area Models and Multiplication

32 x 45 =

Use Area Model to prove your answer is correct .

• 1350

• 1440

• 1605

• 1445

Tags

CCSS.4.NBT.B.5

44 x 17 =

Prove your answer with an area model.

• 765

• 748

• 308

• 704

Tags

CCSS.4.NBT.B.5

What is the product of 30 x 70?

• 1000
• 210
• 2100
• 2400

Tags

CCSS.4.NBT.B.5

81 x 25

• 2,000

• 642

• 2,025

• 7,412

Tags

CCSS.5.NBT.B.5

92 x 14

• 2,288
• 1,288
• 288
• 1,296

Tags

CCSS.5.NBT.B.5

65 x 21

• 1,365

• 2,560

• 1,200

• 490

Tags

CCSS.4.NBT.B.5

25 x 16

• 400
• 500
• 4,000
• 5,000

Tags

CCSS.4.NBT.B.5

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

Tags

CCSS.4.NBT.B.5

Estimate 71 x 42

• 3200

• 2850

• 2800

Tags

CCSS.4.NBT.B.5

Estimate 59 x 79

• 4000

• 4800

• 4900

Tags

CCSS.4.NBT.B.5