Divide decimals by powers of ten
0.5 ÷ 10 = 0.05
0.5 ÷ 100 = 0.005
0.5 ÷ 1000 = 0.0005
0.5 ÷ 10000 = 0.00005
You can divide by powers of 10 simply by moving the decimal point one space to the left for every zero in the power of 10 that you are dividing by. (Add 0’s if there are not enough digits).
PT14 Divide_a number by_powers of Ten 1
PT15 Divide_a decimal by 10_100_1000
PT16 Divide_ a decimal by a power of Ten 3
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
DE34 Multiply_Decimals 1
DE35 Multiply_Decimals 2
To divide a decimal number by a whole number
In order to divide the given decimal number by the given whole number use Long Division (ignore the decimal value). Now place the decimal value at the place the dividend has before.
DE39 Dividing a decimal by a whole number 1
DE40 Dividing a decimal by a whole number 2
DE41 Dividing a decimal by a whole number 3
DE43 Dividing a decimal by a whole number 4
DE44 Dividing a decimal by a whole number 5
DE42 Dividing A Decimal by an Integer
To divide a decimal number by a decimal number
Move the decimal point in the divisor to the right until it is a whole number.
Move the decimal point in the dividend to the right by the same number of places as the decimal point was moved to make the divisor a whole number.
Then divide the new dividend by the new divisor.
DE52 Divide_Decimals Word Problems