Adding and Subtracting Decimals Word Problems

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) separating the whole number 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

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 importance of the decimal point in calculations?

Back

The decimal point indicates the position of the digits in a number, determining their value and ensuring accurate calculations.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the sum of 3.74 and 9.8?

Back

The sum is 13.54.

Front

If you have 17.73 kb total and one app is 8 kb, how do you find the size of the other app?

Back

Subtract 8 kb from 17.73 kb to find the size of the other app: 17.73 - 8 = 9.73 kb.

Front

What is the total weight of 52.93 oz and 79.6 oz?

Back

The total weight is 132.53 oz.

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Front

What is the difference between 399.8 points and 462.25 points?

Back

The difference is 62.45 points.