1. Multiplying decimal number by 10,100,1000

2. Level E
Multiplying a decimal number by 10
Example 2 .4 6 x 1
tens
units
Decimal point
tenths
hundredths 2 4 x 10 6 2 4 6 =
2.46 x 10 = 24.6
all digits move one place to the left

3. Multiplying a decimal number by 10
More examples
To multiply a decimal number by 10,
Simply move all digits 1 places to the left:
e.g x 10 = digits are moved 1 place to left
e.g x 10 =252 digits are moved 1 place to left

4. Level E
Multiplying a decimal number by 100
Example 6 2
.9 4 x 1
thousands
hundreds
tens
units
Decimal point
tenths
hundredths 6 2 x
100 9 4 = 6 9 2 4
62.94 x 100 = 6294
all digits move two places to the left

5. Multiplying a decimal number by 100
More examples
To multiply a decimal number by 100,
Simply move all digits 2 places to the left
e.g x 100 = digits are moved 2 places to left
e.g x 100 = 230 digits are moved 2 places to left
Add place holder 0 in units place

6. Level E
Multiplying a decimal number by 1000
Example .9 3 5 x 1 00
hundreds
tens
units
Decimal point
tenths
hundredths
thousandths 9 3 x
1000 5 = 3 5 9
.935 x 1000 = 935
all digits move three places to the left

7. Multiplying a decimal number by 1000
More examples
To multiply a decimal number by 1000,
Simply move all digits 3 places to the left
e.g x 1000 = digits are moved 3 places to left
e.g x 1000 = digits are moved 3 places to left

8. Try these
1) x 100
2) x 10
3) x 1000