Operations with Multi-Digit Decimals

Multi Digit Whole Number and Decimal Fraction Operations

Objective: Multiply decimal fractions with tenths by multi-digit whole numbers using place value understanding to record partial products

THREE STEP PROCESS!

• ​ Complete the multiplication as you normally would, as if the decimal was not there​

• Determine the total number of digits after the decimal points in the numbers that you're multiplying together​ ​

• ​Place the same number of digits behind the decimal point in the final answer​

Example Questions:

7.1 x 4.2

Multiple Choice

5.2 x 3.1

• 17.12

• 16.12

• 17.22

• 16.22

Multiple Choice

4.6 x 7.4

• 12

• 11.24

• 12.4

• 12.1

Multiple Choice

3.33 x 4.8

• 15.984

• 16.984

• 15.994

• 16.974

Multiple Choice

12.56 x 3.4

• 42.714

• 43

• 42.704

• 42.705