4.4A Add & Subtract Whole Numbers and Decimals - Boulder Retest

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

How do you add decimals?

Back

To add decimals, align the decimal points and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

To subtract decimals, align the decimal points and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the total cost of 2 textbooks at $62.75 each?

Back

$125.50

Front

If you buy 5 footballs at $15 each, what is the total cost?

Back

$75.00

Front

What is the total cost of 5 footballs at $15 each and 1 soccer ball at $8.27?

Back

$83.27

Front

If a water tank has 3500 liters and 435 liters are used, how much is left?

Back

3065 liters

Front

If Kim poured 3.93 quarts of fluid and used 1.9 quarts, how much fluid does she have left before adding more?

Back

2.03 quarts

Front

If Kim adds 1.78 quarts after using 1.9 quarts, how much fluid does she have now?

Back

3.81 quarts