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

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 process to divide a decimal by a whole number?

Back

To divide a decimal by a whole number, divide as you would with whole numbers. Place the decimal point in the quotient directly above the decimal point in the dividend.

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 convert a fraction to a decimal?

Back

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

Front

What is the importance of rounding decimals?

Back

Rounding decimals is important for simplifying numbers to make them easier to work with, especially in estimation and when precision is not critical.

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the digit to the right of the decimal point. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is a word problem involving decimals?

Back

A word problem involving decimals is a mathematical problem presented in a narrative form that requires the use of decimal operations to solve.

Front

How do you solve a word problem with decimals?

Back

To solve a word problem with decimals, read the problem carefully, identify the relevant information, determine what operation to use, and perform the calculation.