Decimal Word Problems

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 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

What is the process to 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 factors and place the decimal point in the product accordingly.

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number, then move the decimal point in the dividend the same number of places and divide as usual.

Front

What is the importance of the decimal point in calculations?

Back

The decimal point indicates the value of digits in a number, determining their place value and thus affecting the outcome of calculations.

Front

If Mr. Garcia bought six chairs for $684.54, how much did each chair cost?

Back

$114.09

Front

If Jane earns $2.70 per hour and babysits for 6.5 hours, how much does she earn?

Back

$17.55

Front

When multiplying 3.46 by 2.4, how many digits will be behind the decimal in your answer?

Back

3

Front

If the total cost of a trip is $1067.50 and the class has raised $819.24, how much more do they need?

Back

$248.26