Decimals Operations

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal representation of the fraction 5/10.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point, subtract as you would with whole numbers, and place the decimal point in the answer directly below the other decimal points.

Front

What is the result of 7.6 - 3.2?

Back

4.4

Front

What is the result of 12.4 - 8.9?

Back

3.5

Front

What is the product of 6.7 and 2.3?

Back

15.41

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the result of 2.5 x 3.4?

Back

8.5

Front

What is the result of 9.2 - 5.3?

Back

3.9

Front

What is the place value of 0 in 3.04?

Back

In 3.04, the 0 is in the tenths place, indicating that there are no tenths.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value. For example, rounding 2.67 to the nearest whole number gives 3.