Multiplying Decimals 1
Multiplying Decimals 2
Multiplying Decimals by 10, 100, 1000
To multiply a decimal number by a whole number
Ignore the decimal point and multiply the digits. Place the decimal point in the answer so that it has the same number of decimal places as the number being multiplied
Ex: 2.22 X 43 = 95.46
DE34 Multiply_Decimals _1
DE35 Multiply_Decimals_2
DE36 Multiply_Decimal_x_Whole
Multiply Decimals by powers of ten
0.5 x 10 = 5
0.5 x 100 = 50
0.5 x 1000 = 500
0.5 x 10000 = 5000
Hint: Just move the decimal point one place to the right for each zero you see after the 1
To multiply a decimal by a power of ten, just move the decimal point to the right as many times as there are 0’s. (Add 0’s if there are not enough digits).
To multiply a decimal number by a decimal number
Ignore the decimal points and multiply the digits; count the total number of decimal places in both decimal numbers being multiplied, and place a decimal point in the answer so that it has the same number of decimal places as the total number of decimal places in the two numbers being multiplied.
PT05 Multiply by 10
PT08 Multiply a decimal number by a power of ten 1
PT09 Multiply a decimal number by a power of ten 2
PT10 Multiply a decimal number by a power of ten 3
PT11 Multiply a decimal number by a power of ten 4
PT12 Multiply a decimal number by a power of ten 5
PT13 Multiply a decimal number by a power of ten 6
DE53 Multiply_Decimals _Word_Problems
CM14 Math_at_Dinner
Multiply and Divide Decimals Help