Decimal Word Problems

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It represents a part of a whole number, using a dot (.) to separate the whole number from the fractional part.

Front

How do you 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 numbers and place the decimal point in the product accordingly.

Front

What is the process to find the sum of two decimal numbers?

Back

To find the sum of two decimal numbers, align the numbers by the decimal point and add them as you would whole numbers, carrying over if necessary.

Front

How do you subtract decimals?

Back

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

Front

What is the formula for finding the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle is calculated using the formula P = 2(length + width).

Front

If Santino finds the product of 2.5 and 6.4, what is the first step?

Back

The first step is to multiply 2.5 by 6.4 as if they were whole numbers, ignoring the decimal points.

Front

What is the total amount paid on a loan after a certain number of months?

Back

To find the total amount paid on a loan, multiply the monthly payment by the number of months.

Front

How do you calculate the total cost of multiple items?

Back

To calculate the total cost, add the prices of all items together.

Front

What is the difference between two decimal numbers?

Back

The difference is found by subtracting the smaller number from the larger number.

Front

How do you find the amount still needed to reach a goal?

Back

To find the amount still needed, subtract the amount already raised from the total goal.