Ch 4 Multiplying Decimal Review

The product of 1.8 and 2.3 is about --

• 4.1

• 4

• 400

• 4.14

What is the best estimation for the following problem?

2.3 x 3.5

• 5.8

• 6

• 8

• 12

What is the correct equation to this model?

• 0.02 x 0.07 = 0.0014

• 0.2 x 0.7 = 0.014

• 0.2 x 0.7 = 0.14

• 0.2 x 0.07 = 0.014

Identify the missing number that completes the equation.

0.3 x 0.1 = ____

• 0.1

• 0.3

• 0.01

• 0.03

Solve. 2.8 x 0.56 =

Solve. 0.03 x 0.2 =

Click on the 3 numbers that would make the equation true. ___ x ___ = ___

• 1.4

• 0.6

• 0.5

• 1.5

• 0.9

What rule was used to create the pattern?

0.0017, 0.017, 0.17, 1.7, 17

• divide by 10

• multiply by 10

• divide by 100

• multiply by 100

What will the 6th number be?

320,000, 32,000, 3,200, ...

Which multiplication equation correctly represents the model?

• 2 x 0.4 = 2.4

• 1.2 x 1.2 = 2.4

• 2 x 1.2 = 2.4

• 0.2 x 1.2 = 2.4