Add, Subtract, Multiply & Divide 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, 3.25 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 answer 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 answer 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 answer accordingly.

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places. Then divide as you would with whole numbers.

Front

What is the result of 3.25 - 1.7?

Back

1.55

Front

What is the cost of one book if 27 books cost $67.50?

Back

$2.50

Front

What is the total distance hiked if 3.45 km and 6.2 km are hiked?

Back

9.65 km

Front

How much did Tim spend on 3 pounds of peaches at $2.50 per pound?

Back

$7.50

Front

What is the total cost of 4.6m of fabric at $3.57 per meter?

Back

$16.422