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 round a decimal to the nearest hundredth?

Back

Look at the third digit after the decimal point. If it's 5 or more, round up the second digit; if it's less than 5, keep the second digit the same.

Front

What does the word 'sum' mean in math?

Back

The word 'sum' refers to the result of adding two or more numbers together.

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Front

How do you add decimals?

Back

Align the decimal points and add as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is the sum of 5.92 and 3.48?

Back

9.40

Front

What is the sum of 2.32, 1.7, and 0.09?

Back

4.11

Front

What is the first step in subtracting decimals?

Back

Align the decimal points of the numbers you are subtracting.

Front

If you have 6.9 and 2.81, what is the difference?

Back

4.09

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby value that is simpler or more convenient, often to a specified place value.