Adding and Subtracting Decimals Word Problems

Front

What is the sum of 10.9 hours, 8.6 hours, and 12.4 hours?

Back

31.9 hours

Front

If Mrs. Stigall had $135.62 and deposited $58.90, how much does she have now?

Back

$194.52

Front

Ms. Stigall buys shoes for $47.82 and a top for $13.36. If she pays with $100, how much change does she get?

Back

$38.82

Front

In a relay race of 22.01 kilometers, if Mr. Argo ran 9.41 kilometers, how far did Mr. Stone run?

Back

12.6 km

Front

Mrs. Hau has $20. After spending $2.15 on a Slurpee and $6.58 on candy, how much money does she have left?

Back

$11.27

Front

What is the process of adding decimals?

Back

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

Front

What is the process of subtracting decimals?

Back

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

Front

Define 'decimal'.

Back

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

Front

What does it mean to 'round' a decimal?

Back

To round a decimal means to reduce the number of digits after the decimal point to make it simpler while keeping its value close.

Front

How do you convert a decimal to a fraction?

Back

Write the decimal over its place value (e.g., 0.75 = 75/100) and simplify.