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 sum directly below the other decimal points.

Front

What is the value of 0.75 in fraction form?

Back

0.75 is equivalent to 75/100, which simplifies to 3/4.

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 cost if an item costs $9.89 and you buy 7.4 yards?

Back

The total cost is $9.89 x 7.4 = $73.26.

Front

If you bike 0.75 miles and need to walk the remaining distance of 1.34 miles to school, how do you find out how far you walked?

Back

Subtract the distance biked from the total distance: 1.34 - 0.75 = 0.59 miles.

Front

What is the total number of cookies sold if a bakery sold 3.5 dozen in the morning and 4.25 dozen in the afternoon?

Back

Add the two amounts: 3.5 + 4.25 = 7.75 dozen.

Front

How do you find the remainder of a board after cutting a piece off?

Back

Subtract the length cut from the original length: 18.93 - 2.09 = 16.84 inches.

Front

If Luis wants to save $60 and has earned $15.25, $10.50, and $13.30, how do you calculate how much more he needs?

Back

First, find the total earned: 15.25 + 10.50 + 13.30 = 39.05. Then subtract from the goal: 60 - 39.05 = 20.95.

Front

What is the importance of aligning decimal points when performing operations?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate calculations.