Add and Subtract Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal 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

What is the result of 34 + 10.18?

Back

44.18

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 change Jenna gets after buying gummy bears for $2.74 with $10?

Back

$7.26

Front

What is the sum of 3.3 and 2.22?

Back

5.52

Front

If James earns $22.50, $14.75, and $8.50, what is his total earnings?

Back

$45.75

Front

What is the difference between 13.09 miles and 9.84 miles?

Back

3.25 miles

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is easier to work with, often to a specified place value.

Front

What is the place value of the digit 5 in the number 12.345?

Back

The place value of 5 is in the thousandths place.