Word Problems involving Decimals

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

What is the process to subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point, subtract as you would whole numbers, and place the decimal point in the result 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 factors and place the decimal point in the product accordingly.

Front

What is the rule for dividing decimals?

Back

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

Front

If Jerry bought 6.95 lbs. of jelly beans and 1.75 lbs. were cherry, how do you find the weight of lime jelly beans?

Back

Subtract the weight of cherry jelly beans from the total weight: 6.95 lbs. - 1.75 lbs. = 5.2 lbs.

Front

How do you find the total weight of two bags of chips?

Back

Add the weights of both bags together: 52.93 oz + 79.6 oz = 132.53 oz.

Front

What is the cost of Nathan's ticket if the total is $9.50 and the adult's ticket is $5.75?

Back

Subtract the cost of the adult's ticket from the total: $9.50 - $5.75 = $3.75.

Front

How do you calculate change from a purchase?

Back

Subtract the total cost from the amount paid: $20.00 - $6.43 = $13.57.

Front

If Joy drinks 4 bottles of water each containing 16.5 fluid ounces, how do you find the total fluid ounces?

Back

Multiply the number of bottles by the ounces per bottle: 4 bottles x 16.5 oz = 66 fluid ounces.