Year 7 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 ratio & rates worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Ratio & RatesYear 7 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 3 — Answers
Find the price for the same amount of each (the unit price), then compare. Show your working.
1.Pencils costs $4.86 for a pack of 6. What is the price per pencil?
Answer: $0.81
- $4.86 ÷ 6 = $0.81 per pencil
2.Pencils costs $21.36 for a pack of 24. What is the price per pencil?
Answer: $0.89
- $21.36 ÷ 24 = $0.89 per pencil
3.Pasta costs $5.70 for 1 kg. What is the price per 100 g?
Answer: $0.57
- $5.70 ÷ 10 = $0.57 per 100 g
4.Rice costs $2.70 for 500 g. What is the price per 100 g?
Answer: $0.54
- $2.70 ÷ 5 = $0.54 per 100 g
5.Pasta costs $6.70 for 1 kg. What is the price per 100 g?
Answer: $0.67
- $6.70 ÷ 10 = $0.67 per 100 g
6.Rice costs $4.45 for 500 g. What is the price per 100 g?
Answer: $0.89
- $4.45 ÷ 5 = $0.89 per 100 g
7.Pasta costs $7.50 for 1 kg. What is the price per 100 g?
Answer: $0.75
- $7.50 ÷ 10 = $0.75 per 100 g
8.Juice costs $17.00 for 2 L. What is the price per 100 mL?
Answer: $0.85
- $17.00 ÷ 20 = $0.85 per 100 mL
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
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