Multiplying Decimals

Warm Up Exercise 47 x 63 86 x 25 24 x 57 96 x 86

Warm Up Exercise 47 x 63 = 2961 86 x 25 24 x 57 96 x 86

Warm Up Exercise 47 x 63 = 2961 86 x 25 = 2150 24 x 57 96 x 86

Warm Up Exercise 47 x 63 = 2961 86 x 25 = 2150 24 x 57 = 1368 96 x 86

Warm Up Exercise 47 x 63 = 2961 86 x 25 = 2150 24 x 57 = 1368

1. Line up the numbers on top of each other. Multiplying Decimals 1. Line up the numbers on top of each other.

2. Multiply the numbers while ignoring the decimal points. Multiplying Decimals 2. Multiply the numbers while ignoring the decimal points.

Multiplying Decimals 3. Count up all of the number of digits to the right of both decimal points.

Multiplying Decimals 4. Move the decimal point of the whole number to the left that number of times.

5. Fill in the extra space with a zero if needed Multiplying Decimals 5. Fill in the extra space with a zero if needed

7.56 x 3.8 = a. 287.28 b. 2872.8 c. 28.728

7.56 x 3.8 = c. 28.728

.3445 x 3.9 = a. 1.34355 b.13.4355 c.134.355

.3445 x 3.9 = a. 1.34355

13.723 x 122.5 = a. 16.810675 b. 168.10675 c. 1681.0675

13.723 x 122.5 = c. 1681.0675

.55 x .007 = a. 38.5 b. .00385 c. .0385

.55 x .007 = b. .00385

Multiplying Decimals Multiplying decimals study jams: http://studyjams.scholastic.com/studyjams/jams/math/decimals-percents/mult-of-decimals.htm