Year 6 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 6 ratio & rates worksheet.
Year 6 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 2 — Answers
Find the price for the same amount of each (the unit price), then compare. Show your working.
1.Oats costs $1.00 for 500 g. What is the price per 100 g?
Answer: $0.20
- $1.00 ÷ 5 = $0.20 per 100 g
2.Pasta costs $8.50 for 1 kg. What is the price per 100 g?
Answer: $0.85
- $8.50 ÷ 10 = $0.85 per 100 g
3.Oats costs $6.80 for 2 kg. What is the price per 100 g?
Answer: $0.34
- $6.80 ÷ 20 = $0.34 per 100 g
4.Oats costs $9.00 for 2 kg. What is the price per 100 g?
Answer: $0.45
- $9.00 ÷ 20 = $0.45 per 100 g
5.Juice costs $15.60 for 2 L. What is the price per 100 mL?
Answer: $0.78
- $15.60 ÷ 20 = $0.78 per 100 mL
6.Rice costs $8.50 for 1 kg. What is the price per 100 g?
Answer: $0.85
- $8.50 ÷ 10 = $0.85 per 100 g
7.Rice costs $3.30 for 1 kg. What is the price per 100 g?
Answer: $0.33
- $3.30 ÷ 10 = $0.33 per 100 g
8.Juice costs $9.80 for 2 L. What is the price per 100 mL?
Answer: $0.49
- $9.80 ÷ 20 = $0.49 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.
- Celebrate what went well first, then pick one thing to work on next.
Great work. Here's what to try next: