📏 Phase 3 - Investigation
🧪 Lab
⏱ 4 minutes
Task 6 - Test 3: How Much Do You Get?
Read the sheet size and number of sheets, then calculate total area per product.
Step 1 - Calculate total area (m²) for each product
💭 "Is the biggest-looking roll necessarily the best value?"
Step 2 - Rank best value (lowest price per m²) to worst
1st - 4pts
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2nd - 3pts
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3rd - 2pts
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4th - 1pt
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Three tests measured. Now let's check what the packaging actually claims - and whether it's evidence.
What happens in Task 6
A 4-minute Phase 3 - Investigation activity. Students read sheet size, sheet count and price for four products, calculate the total area for each, then rank the products by value - price per square metre.
🎯 Learning objectives
To calculate and compare product scores, and to recognise that the biggest-looking product is not necessarily the best value.
♿ SEN Adaptations
- Step cards with photos; rankings only in support mode
🖨️ No-Tech Format
- Lab Booklet pages 3-6 with a result table and paper scorecard