Multiplying and Estimating Decimals

Multiplying and Estimating

​

​MULTIPLYING DECIMALS

​example 2

​example 1

Multiply:
23.6 x 0.78 0.283 x 0.3 0.0531 x 16

​example 3

Math Response

Multiply: 45.9 x 0.42

Type answer here

Correct Answer: 19.278

Deg^°

Rad

Math Response

Multiply: 0.112 x 0.6

Type answer here

Correct Answer: 0.0672

Deg^°

Rad

Math Response

Multiply: 0.0721 x 48

Type answer here

Correct Answer: 3.4608

Deg^°

Rad

Multiplying and Estimating

​

​MULTIPLYING DECIMALS

​estimate

​exact

multiply:
28.06 x 1.95

​Reasonableness

​The answer 54.7170 (or 54.717) is reasonable)

Multiple Select

Multiply: 30.26 x 2.98. Then estimate to see whether the answer is reasonable.

(Select 2 Answers)

• Answer: 95.2734

• Answer: 90.1748

• Estimate: 30 x 3

  Not Reasonable

• Estimate: 30 x 3

  Reasonable