Decimal Computation Review

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole, using a point (.) to separate the whole number part from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

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

Front

What is the sum of 0.5 and 0.3?

Back

0.8

Front

What is the difference when you subtract 2.5 from 5.0?

Back

2.5

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 0.6 multiplied by 0.4?

Back

0.24

Front

What is the result of 1.2 + 3.4?

Back

4.6

Front

If a pencil costs $0.75 and you buy 4, how much do you spend?

Back

$3.00

Front

What is 5.5 - 2.2?

Back

3.3