Adding and Subtracting Decimals Flashcard

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates 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 1.5 and 2.3?

Back

3.8

Front

What is the difference when you subtract 4.2 from 9.5?

Back

5.3

Front

What is 0.75 + 0.25?

Back

1.0

Front

What is 5.6 - 2.1?

Back

3.5

Front

What is the sum of 0.5 and 0.9?

Back

1.4

Front

If you have 3.4 and you subtract 1.2, what do you get?

Back

2.2

Front

What is 7.8 + 2.2?

Back

10.0