1. When we multiply or divide by 10, 100, 1000 we use a grid which shows the place value of the number.
First we need to draw a place table grid. Then write our number in it. Remember, the most important thing is to put the numbers in the correct column.
Place Value 1 2 3 4 5 6 7 8 9
1000’s
100’s
10’s
1’s
10 000’s
1/10
1/100
1/1000 8 4 7 5 2 9 5 7 1 2 9 8 6 1 4
40 000
400
4/10
5 000 50
2/100
9 000 6
1000

2. Place Value: 1000’s 100’s 10’s 1’s 10 000’s 1/10 1/100 1/1000 7 5 7 5
Multiplying By Powers of 10 7 5 7 5 7 5 5 7
1000’s
100’s
10’s
1’s
10 000’s
1/10
1/100
1/1000
Dividing By Powers of 10 7 4 4 7 4 7 4 7

3. Place Value: 1000’s 100’s 10’s 1’s 10 000’s 1/10 1/100 1/1000 4 5 1 6
Multiplying By Powers of 10 4 5 1 6 4 5 1 6 4 5 1 6 5 1 6 4
1000’s
100’s
10’s
1’s
10 000’s
1/10
1/100
1/1000
Dividing By Powers of 10 8 2 3 8 2 3 8 2 3 8 2 3

4. 1000’s
100’s
10’s
1’s
10 000’s
1/10
1/100
1/1000
Multiplying By Powers of 10 4 5 1 6 4 5 1 6 4 5 1 6 5 1 6 4
1000’s
100’s
10’s
1’s
10 000’s
1/10
1/100
1/1000
Dividing By Powers of 10 8 2 3 8 2 3 8 2 3 8 2 3