Multiply by 10,100,1000

Front

What happens to a number when you multiply it by 10?

Back

The number shifts one place to the left in the decimal system, effectively increasing its value by a factor of 10.

Front

What happens to a number when you multiply it by 100?

Back

The number shifts two places to the left in the decimal system, effectively increasing its value by a factor of 100.

Front

What happens to a number when you multiply it by 1000?

Back

The number shifts three places to the left in the decimal system, effectively increasing its value by a factor of 1000.

Front

Calculate: 0.79 X 100

Back

79

Front

Calculate: 56 X 100

Back

5600

Front

Calculate: 9.87 X 10

Back

98.7

Front

Calculate: 6.7 X 10

Back

67

Front

Calculate: 753 X 10

Back

7530

Front

What is the rule for multiplying a decimal by 10?

Back

Move the decimal point one place to the right.

Front

What is the rule for multiplying a whole number by 100?

Back

Add two zeros to the end of the number.