Concepts to know: Multiplication of decimals
*Know how to multiply a whole number by a decimal using 100 grid.
Example: 4 X .2 =
* Know how to multiply a decimal by a decimal using 100 grid.
Example: .4 X .6 =
*Know how to multiply two decimals using an array model.
2.6 X 3.6 =
* Know how to multiply two decimals by converting them to whole numbers and then placing the decimal point back in the correct place.
24.9 X 2.9 = Estimate: 25 X 3 = 75
Multiply the numbers as whole numbers.
249 X 29= Place the decimal point most reasonable to your estimate.
No comments:
Post a Comment