Decimals: Adding and Subtracting

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

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

What is the sum of 35.61 and 12.93?

Back

48.54

Front

What is the total cost if Lia bought popcorn and a slushy for $8.50 and James bought a slushy and nachos for $12.00?

Back

$26.50

Front

What is the difference between 39.3 feet and 17.6 feet?

Back

21.7 feet

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

Convert the mixed number 2 3/5 to an improper fraction.

Back

13/5

Front

Convert the mixed number 3 4/9 to an improper fraction.

Back

31/9

Front

What is the value of 0.75 + 0.25?

Back

1.00