Adding and Subtracting Decimals

Front

What operation does the word 'sum' indicate in a word problem?

Back

Addition (to add numbers together)

Front

If Marcos caught a fish weighing 5.6 pounds and Willy caught one weighing 3.4 pounds, how do you find the difference in their weights?

Back

Subtract the smaller weight from the larger weight: 5.6 - 3.4 = 2.2 pounds.

Front

What is the missing decimal in the equation 5.26 + _ = 13.63?

Back

8.37

Front

Calculate the sum of the following decimals: 2.32, 1.7, and 0.09.

Back

The sum is 4.11.

Front

How do you round the decimal 4.785 to the nearest hundredth?

Back

Look at the third decimal place (5). Since it is 5 or greater, round up: 4.79.

Front

What is the definition of a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers, carrying over as necessary.

Front

What is the process for subtracting decimals?

Back

Align the decimal points, subtract as you would whole numbers, and borrow if necessary.

Front

What does it mean to round a decimal?

Back

To round a decimal means to reduce the number of decimal places, approximating the number to the nearest specified place value.

Front

What is the place value of the digit 6 in the decimal 5.76?

Back

The place value of 6 is in the tenths place.