The Basics
When multiplying by 10, does a number increase or decrease in size?
increases
3.2 x 10
32
7.4 ÷ 10
0.74
33.0 x 100
3300
599.1 ÷ 100
5.991
When dividing by 10, does a number increase or decreases in size.
decreases in size
8.44 x 10
84.4
9.83 ÷ 10
0.983
678.42 x 100
67842
2245.83 ÷ 100
22.4583
The direction the decimal moves when multiplying by 10.
right
63.01 x 10
630.1
12.059 ÷ 10
1.2059
709.003 x 100
70900.3
5.3 ÷ 100
0.053
The direction the decimal moves when dividing by 10.
left
8001.590 x 10
80015.9
0.004 ÷ 10
0.0004
155.6 x 100
15560
030.30 ÷ 100
0.303
where is the decimal point on this number? 2369
after the 9
0.005 x 10
0.05
93255.9724 ÷ 10
9325.59724
0.0004 x 100
0.04
0.01 ÷ 100
0.0001