Year 7 Best Buys and Unit Prices Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 7 ratio & rates worksheet.
Year 7 Best Buys and Unit Prices Worksheet — Level 1 — Answers
Find the price for the same amount of each (the unit price), then compare. Show your working.
1.Oats costs $6.30 for 1 kg. What is the price per 100 g?
Answer: $0.63
- $6.30 ÷ 10 = $0.63 per 100 g
2.Rice costs $1.80 for 500 g. What is the price per 100 g?
Answer: $0.36
- $1.80 ÷ 5 = $0.36 per 100 g
3.Rice costs $3.80 for 500 g. What is the price per 100 g?
Answer: $0.76
- $3.80 ÷ 5 = $0.76 per 100 g
4.Rice costs $13.60 for 2 kg. What is the price per 100 g?
Answer: $0.68
- $13.60 ÷ 20 = $0.68 per 100 g
5.Oats costs $1.30 for 500 g. What is the price per 100 g?
Answer: $0.26
- $1.30 ÷ 5 = $0.26 per 100 g
6.Oats costs $4.40 for 500 g. What is the price per 100 g?
Answer: $0.88
- $4.40 ÷ 5 = $0.88 per 100 g
7.Pencils costs $2.46 for a pack of 6. What is the price per pencil?
Answer: $0.41
- $2.46 ÷ 6 = $0.41 per pencil
8.Oats costs $5.00 for 1 kg. What is the price per 100 g?
Answer: $0.50
- $5.00 ÷ 10 = $0.50 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.
- Celebrate what went well first, then pick one thing to work on next.
Great work. Here's what to try next: