Multiplying and Dividing Decimals Complete the Decimal x

Multiplying and Dividing Decimals Complete the Decimal x Decimal Chart x 0. 1 0. 2 0. 3 0. 4 0. 5 0. 6 0. 7 0. 8 0. 9 1. 0 0. 1 0. 02 0. 03 0. 04 0. 05 0. 06 0. 07 0. 08 0. 09 0. 10 0. 2 0. 04 0. 06 0. 08 0. 10 0. 12 0. 14 0. 16 0. 18 0. 20 0. 3 0. 15 0. 4 0. 28 0. 5 0. 6 0. 7 0. 06 0. 21 0. 8 0. 9 1. 0 0. 54 1. 0

Decimal x Decimal Models

Decimal x Decimal Models

Create Your Own Decimal x Decimal Models 0. 4 x 0. 4 0. 6 x 0. 8 0. 2 x 0. 5 0. 9. x 0. 9

Partial products can help, especially when multiplying whole numbers to decimals. 3 x 8. 9 = 3 x 8 plus 3 x 0. 9 = 24 + 2. 7 = 26. 7 80 x 6. 5 = 65 x 2. 4 = 200 x 5. 75 =

Step 1: Step 2: Write the problem vertically. Ignore the decimal points. Step 3: Determine where the decimal goes in the product

Step 1: Step 2: Write the problem vertically. Ignore the decimal points. 57. 1 x 6. 4 571 x 64 Notice that the decimal in the product is in the 100 ths place. Step 3: Determine where the decimal goes in the product 57. 1 x 6. 4 2284 34260 365. 44

EXAMPLE… PLACE THE DECIMAL POINT… JUSTIFY!

11. 68 x 2. 4 ____________ Notice…The decimal points are NOT aligned!

Area Models 0. 9 meters 0. 9 x 0. 3 = 0. 27 meters x meters = meters 2 0. 3 meters 0. 27 meters 2 2. 5 miles 1. 5 miles

Area Models 0. 8 meters 0. 35 meters 3. 5 miles 1. 75 miles