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multiplying decimals
dividing decimals by whole number
multiplying decimals by whole number
decimal
100
0.3 X 0.2 =
0.06
100
1.5 / 3 =
0.5
100
0.2 x 2 =
0.4
100
what is a decimal?
Relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.
200
1.2 x 0.4 =
0.48
200
1.2 / 6 =
0.6
200
0.8 x 4 =
0.32
200
what happens to a decimal when it is multiplied by 10?
the decimal moves to the right one time
300
1.5 x 0.2 =
0.3
300
10.2 / 2 =
5.1
300
1.2 x 3 =
3.6
300
what happens to a decimal when it is 1/10 of the original?
the decimal moves to the left once
400
5.0 x 3.3 =
16.5
400
2.4 / 8 =
0.3
400
3.5 x 5 =
17.5
400
what happens to a decimal when it is multiplied by 100?
the decimal moves to the right twice
500
0.15 x 0.5 =
0.075
500
120.0 / 4 =
30
500
124.2 x 2 =
248.4
500
what happens to a decimal when it is multiplied by 1,000?
the decimal moves to the right three times