Year 9 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 9 ratio & rates worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Ratio & RatesYear 9 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.Rice costs $13.20 for 2 kg. What is the price per 100 g?
Answer: $0.66
- $13.20 ÷ 20 = $0.66 per 100 g
2.Oats costs $4.60 for 1 kg. What is the price per 100 g?
Answer: $0.46
- $4.60 ÷ 10 = $0.46 per 100 g
3.Pencils costs $2.94 for a pack of 6. What is the price per pencil?
Answer: $0.49
- $2.94 ÷ 6 = $0.49 per pencil
4.Juice costs $8.20 for 1 L. What is the price per 100 mL?
Answer: $0.82
- $8.20 ÷ 10 = $0.82 per 100 mL
5.Oats costs $2.25 for 500 g. What is the price per 100 g?
Answer: $0.45
- $2.25 ÷ 5 = $0.45 per 100 g
6.Pencils costs $1.26 for a pack of 6. What is the price per pencil?
Answer: $0.21
- $1.26 ÷ 6 = $0.21 per pencil
7.Rice costs $4.90 for 1 kg. What is the price per 100 g?
Answer: $0.49
- $4.90 ÷ 10 = $0.49 per 100 g
8.Oats costs $5.40 for 2 kg. What is the price per 100 g?
Answer: $0.27
- $5.40 ÷ 20 = $0.27 per 100 g
Marking tips
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- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
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