Grade 6Mathmedium
Shopping Deals & Price Comparisons
Shopping Deals & Price Comparisons — Ratios & Proportions worksheet for Grade 6.
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What Your Child Will Learn
- Calculate unit rates from given shopping prices to compare deals on different package sizes
- Set up and solve proportions to determine equivalent costs for varying quantities in price comparisons
- Apply ratio reasoning to evaluate which store deal provides better value using real-world shopping scenarios
- Identify proportional relationships between item costs and quantities to find the most economical purchase option
How to Use This Worksheet
- Step 1: Read each shopping scenario aloud and highlight the two products or package options being compared
- Step 2: Guide the student to calculate the unit price or ratio for each option using the given prices and quantities
- Step 3: Set up a proportion if the quantities differ and cross-multiply to check for equivalent deals
- Step 4: Compare the simplified ratios or unit rates to select the better deal and explain the reasoning
- Step 5: Review answers together by discussing how the chosen deal saves money proportionally
Tips for Parents & Teachers
Have students first convert all prices to a common unit like cost per ounce before comparing ratios to avoid errors from mismatched package sizes
Watch for the common mistake of comparing total prices instead of unit rates; guide them to create a simple ratio table for each deal on the worksheet
Remind students to simplify ratios fully before deciding which deal is better, as unsimplified forms often lead to incorrect conclusions in medium-difficulty problems
Frequently Asked Questions
How can I help my child calculate unit rates when comparing prices of cereal boxes in different sizes?
Start by dividing the total price by the number of ounces or items in each box to find the cost per unit, then compare those simplified ratios directly to see which box gives more cereal for the money.
What is the best way to introduce proportions using shopping discount examples for a sixth grader?
Use two similar items where one is on sale for a different quantity, such as 3 for $5 versus 5 for $8, and show how to set up a proportion like 3/5 = 5/x to find if the costs match proportionally.
Why do students often struggle with comparing deals that have different units like pounds versus ounces?
They may forget to convert units first; practice by always changing everything to the smaller unit on the worksheet problems so the ratios can be compared accurately without confusion.
How does knowing ratios help a student decide between buying in bulk or smaller packages?
By creating equivalent ratios for the same amount, such as finding the price for 10 items in both options, students can see the proportional savings or extra cost clearly instead of guessing.
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