Add and 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.

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

What is the result of 2.4 + 0.5?

Back

2.9

Front

What is the result of 5.66 + 4.25?

Back

9.91

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 659.04 + 1?

Back

660.04

Front

If John ran 0.75 miles and then ran an additional 0.62 miles, how far did he run in total?

Back

1.37 miles

Front

What is the value of 0.5 in fraction form?

Back

1/2

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is simpler or easier to work with, often to a certain number of decimal places.

Front

What is the place value of the digit 3 in the number 4.73?

Back

The place value of 3 in 4.73 is 'hundredths'.