Adding, Subtracting, & Multiplying 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. For example, 3.14 is a decimal.

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 sum directly below the other decimal points.

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 difference directly below the other decimal points.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the sum of 368.29 and 253.46?

Back

621.75

Front

What is the result of subtracting 99.37 from 469.38?

Back

370.01

Front

If the sum of two decimals is 496.28 and one of them is 238.94, what is the other decimal?

Back

257.34

Front

What is the cost of 15.5 weeks of lunches at $14.50 per week?

Back

$224.75

Front

How much does a student earn if they work 21 hours at $11.75 per hour?

Back

$246.75

Front

What is the difference between 368.29 and 57.39?

Back

310.90