3.1- 3.2 Review

385 x 100

• 3,850

• 38,500

• 385,000

82 x 1,000

• 82,000

• 820

• 8,200

562 x 10^3

• 10,562

• 5,620

• 562,000

47 x 10^2

• 10,470

• 4,700

• 47,000

128 x 10^4

• 1280,000

• 128,000

• 1,280

Estimate: 372 x 207 = ?

• About 60,000

• About 600

• About 80,000

Estimate: 458 x 325 = ?

• About 150,000

• About 120,000

• About 1,200

Estimate: 17 x 132 = ?

• About 2,000

• About 20,000

• About 200

Estimate: 48 x 21 = ?

• About 10

• About 1,000

• About 10,000

Estimate: 339 x 182 = ?

• About 600,000

• About 600

• About 60,000