Adding and Subtracting 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 answer directly below the other decimal points.

Front

What is the sum of 0.45 and 0.9?

Back

1.35

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 answer directly below the other decimal points.

Front

What is the difference between 8.75 and 3.6?

Back

5.15

Front

Calculate 7.89 minus 3.45.

Back

4.44

Front

What is the result of subtracting 12.6 from 20.4?

Back

7.8

Front

What is the sum of 1.23 and 4.57?

Back

5.80

Front

What does it mean to find the total?

Back

Finding the total means adding all the numbers together to get a single sum.

Front

What is the place value of the digit 5 in 0.45?

Back

The place value of 5 in 0.45 is in the hundredths place.