Estimating Quotients and Products Decimals

Estimate the product:

4,555 x 3

• 14,000

• 16,000

• 13,000

• 15,000

77.9 x 5.3

• 390

• 400

• 385

83.2 divided by 8.1 

• 10

• 10.4

• 10.27

963.5 divided by 28.9

• 30 

• 33

• 32

Estimate 8.5 × 0.61

• 0.052

• 5.185

• 51.850

• 518.500

Arnold is solving this multiplication problem: 8.12 × 4.7. Which of these estimates can Arnold use to help him determine where the decimal point belongs in the product?

• 80 × 40 = 3,200

• 8 × 5 = 40

• 800 × 4 = 3,200

• 800 × 5 = 4,000

Estimate 56.9 x 6 to the nearest whole.

• 341

• 342

• 336

• 360

Estimate the product of 7.56 x 9 to the nearest whole.

• 63

• 72

• 56

• 70

The 5th grade teachers want to purchase 90 buckets of slime for a school project. If each bucket costs $4.99, ABOUT how much money will the teachers spend?

• $400

• $450

• $550

• $350

ESTIMATE: 4.76 x 24

• 100

• 80

• 150

• 25