Decimal Word Problems

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, and it is represented with a decimal point.

Front

How do you add decimal numbers?

Back

To add decimal numbers, align the numbers by the decimal point and add as you would whole numbers, carrying over as necessary.

Front

What is the process for subtracting decimals?

Back

To subtract decimals, align the numbers by the decimal point, subtract as you would whole numbers, and borrow if necessary.

Front

How do you multiply decimal numbers?

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 method for dividing decimals?

Back

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

Front

How do you determine if you have enough of a quantity based on a requirement?

Back

To determine if you have enough of a quantity, compare the total amount you have to the required amount. If the total is less than the requirement, you do not have enough.

Front

What is the formula to find the cost per item?

Back

The formula to find the cost per item is: Cost per item = Total cost / Number of items.

Front

How do you calculate the total amount spent from multiple purchases?

Back

To calculate the total amount spent from multiple purchases, simply add the individual amounts together.

Front

What is the importance of rounding in decimal calculations?

Back

Rounding is important in decimal calculations to simplify numbers, make them easier to work with, and to provide estimates.

Front

How do you convert a fraction to a decimal?

Back

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