Adding & Subtracting Decimals Word Problems

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

What is the total weight of 45.6 grams, 43.45 grams, and 44.56 grams?

Back

The total weight is 133.61 grams.

Front

If Marcel bought roses for $27.96 and chocolates for $12.98, how much did he spend in total?

Back

Marcel spent $40.94 in total.

Front

How much money does Scott have left after buying 2 apples for $1.13 each and a bottle of juice for $1.76?

Back

Scott has $8.76 left.

Front

If Josh had $15.00 and spent $8.50, $3.50, and $1.75, how much money does he have left?

Back

Josh has $1.25 left.

Front

What is the sum of 13.2 minutes and 13.54 minutes, rounded to the nearest tenth?

Back

The sum is 26.7 minutes.

Front

What is the importance of rounding in decimal addition?

Back

Rounding helps simplify numbers to make calculations easier and to express answers in a more manageable form.

Front

What is the difference between a whole number and a decimal?

Back

A whole number is a number without fractions or decimals, while a decimal includes a decimal point and represents a part of a whole.