To divide a decimal number by 10, 100, or 1000, you simply move the decimal point to the left.
*
Divide by 10: Move the decimal point
1 place to the left.
*
Divide by 100: Move the decimal point
2 places to the left.
*
Divide by 1000: Move the decimal point
3 places to the left.
If you run out of digits, add zeros to the front.
Here are the step-by-step solutions for each problem:
1.
$4.3 \div 1000$: Move the decimal 3 places left. ($0.0043$)
2.
$0.9 \div 1000$: Move the decimal 3 places left. ($0.0009$)
3.
$3.1 \div 10$: Move the decimal 1 place left. ($0.31$)
4.
$4.2 \div 10$: Move the decimal 1 place left. ($0.42$)
5.
$7.3 \div 10$: Move the decimal 1 place left. ($0.73$)
6.
$6.7 \div 10$: Move the decimal 1 place left. ($0.67$)
7.
$4.6 \div 100$: Move the decimal 2 places left. ($0.046$)
8.
$8.1 \div 10$: Move the decimal 1 place left. ($0.81$)
9.
$6.3 \div 10$: Move the decimal 1 place left. ($0.63$)
10.
$9.6 \div 100$: Move the decimal 2 places left. ($0.096$)
11.
$2.7 \div 10$: Move the decimal 1 place left. ($0.27$)
12.
$7.7 \div 1000$: Move the decimal 3 places left. ($0.0077$)
13.
$6.0 \div 100$: Move the decimal 2 places left. ($0.06$)
14.
$8.0 \div 10$: Move the decimal 1 place left. ($0.8$)
15.
$4.5 \div 100$: Move the decimal 2 places left. ($0.045$)
16.
$3.3 \div 10$: Move the decimal 1 place left. ($0.33$)
Final Answer:
1) 0.0043
2) 0.0009
3) 0.31
4) 0.42
5) 0.73
6) 0.67
7) 0.046
8) 0.81
9) 0.63
10) 0.096
11) 0.27
12) 0.0077
13) 0.06
14) 0.8
15) 0.045
16) 0.33
Parent Tip: Review the logic above to help your child master the concept of power of 10 worksheets.
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