Add/subtract decimals

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. For example, 3.14 is a decimal.

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 value of 0.1 in tenths?

Back

0.1 represents one-tenth of a whole.

Front

What is the value of 0.01 in hundredths?

Back

0.01 represents one-hundredth of a whole.

Front

What is 15.07 - 12.2?

Back

2.87

Front

What is 21 + 4.09?

Back

25.09

Front

What is 7.9 + 18.72?

Back

26.62

Front

If Morgan jogged 51.2 kilometers and Karen jogged 53.52 kilometers, how many more kilometers did Karen jog?

Back

2.32 kilometers

Front

What is 34 + 10.18?

Back

44.18