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Questions and Answers
How can dividing money amounts help in determining the cheaper buy at the grocery store?
What is the price per ounce for the box of cookies that costs $3.00 for 24 ounces?
In the leaf-raking business example, what was the rate per square foot charged by the person?
How did the leaf-raking business owner calculate the square footage of the larger yard?
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Why is it important to calculate the price per ounce when choosing between two boxes of cookies?
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Study Notes
Dividing Money
- Dividing money is an essential part of managing money, allowing us to calculate costs and prices per unit.
- When dividing money by whole numbers, remember to line up decimal points in both the dividend and answer.
Dividing Money by Whole Numbers
- Divide money amounts just like any other number, but with two important changes:
- Remember to include the dollar sign if the result will be a dollar amount.
- Don't divide beyond three decimal points, as we can't pay in fragments of a penny.
Example: Finding the Cheaper Buy
- To find the price per ounce of an item, divide the price by the number of ounces.
- Example: $3.00 ÷ 24 ounces = $0.125 per ounce, and $4.50 ÷ 40 ounces = $0.112 per ounce.
Dividing Money by Decimals
- To divide money by decimals, move the decimal point to the right to make the divisor a whole number.
- Move the decimal point in the dividend over by the same number of points, then divide as before.
Example: Leaf-Raking Business
- Divide money by decimals to calculate prices per unit or area.
- Example: $100 ÷ 0.02 per square foot = 5,000 square feet (after moving the decimal point two places to the right).
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Description
Learn how to divide money by both whole numbers and decimals in order to properly manage finances. This skill is essential for calculating costs such as price per ounce or price per square foot.
