Multiplying Decimals Cornell Notes

Essential Question: How do you multiply decimals and what do you do with the decimal after you multiply?

Write This Down When multiplying a number by a factor (decimal) LESS than 1 the product (answer) will be LESS than the original number 4 x .5 = 2 When multiplying a number by a factor (decimal) GREATER than 1 the product (answer) will be GREATER than the original number 4 x 1.5 = 6

Write This Down When multiplying a number by a factor (decimal) EQUAL to 1 the product (answer) will be EQUAL to the original number 4 X 1.0 = 4

4.5 0.25 4 X 0.2 x 0.11 x 0.25 ________ _________ __________ 90 025 20 ________ 0250 80 90 0275 100

4.5 0.25 4 X 0.2 x 0.11 x 0.25 ________ _________ __________ 90 025 20 ________ 0250 80 .90 .0275 1.00

When you are finished multiplying decimals you count the total number of the numbers to the RIGHT of all decimal points in the problem! Then you move the decimal point that many places to the left of your product (answer)