Estimating Multiplication with Decimals

Estimate 9.94 x 6.6

• 65.604

• 0.656

• 656.040

• 6,560.400

Estimate 4.3 × 3.866

• 0.1662

• 16.6238

• 1,662.3800

• 166.2380

Estimate 6.3 × 1.682

• 10.5966

• 105.9660

• 0.1060

• 1,059.6600

Estimate 3.354 × 2.4

• 804.9600

• 0.0805

• 80.4960

• 8.0496

1.6 x 2.8

• 4.48

• 4.4

• 448

• 44.8

What equation does this model represent?

• 2 x 4 = 8

• 0.2 x 0.4 = 0.8

• 0.2 x 0.4 = 0.08

• 0.4 x 2 = 0.8

0.2 x 0.8

• 16

• 0.16

• 0.016

• 1.6

.26 x 8.1 

• .2106

• .2106

• 2.106

• 8.36

What is the answer to the decimal equation 0.8 x 0.1 as shown in this model?

Estimate 8.65 × 0.4

• 346.000

• 34.600

• 3.460

• 0.035