Year 8 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 8 ratio & rates worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Ratio & RatesYear 8 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 4 — Answers
Find the price for the same amount of each (the unit price), then compare. Show your working.
1.Juice costs $4.80 for 2 L. What is the price per 100 mL?
Answer: $0.24
- $4.80 ÷ 20 = $0.24 per 100 mL
2.Rice costs $1.35 for 500 g. What is the price per 100 g?
Answer: $0.27
- $1.35 ÷ 5 = $0.27 per 100 g
3.Juice costs $6.30 for 1 L. What is the price per 100 mL?
Answer: $0.63
- $6.30 ÷ 10 = $0.63 per 100 mL
4.Oats costs $5.20 for 2 kg. What is the price per 100 g?
Answer: $0.26
- $5.20 ÷ 20 = $0.26 per 100 g
5.Oats costs $13.40 for 2 kg. What is the price per 100 g?
Answer: $0.67
- $13.40 ÷ 20 = $0.67 per 100 g
6.Pencils costs $19.68 for a pack of 24. What is the price per pencil?
Answer: $0.82
- $19.68 ÷ 24 = $0.82 per pencil
7.Rice costs $1.90 for 500 g. What is the price per 100 g?
Answer: $0.38
- $1.90 ÷ 5 = $0.38 per 100 g
8.Rice costs $2.00 for 500 g. What is the price per 100 g?
Answer: $0.40
- $2.00 ÷ 5 = $0.40 per 100 g
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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