7th Grade Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 7th Grade ratios & rates worksheet.
7th Grade 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 work.
1.Pasta costs $0.55 for 250 g. What is the price per 100 g?
Answer: $0.22
- $0.55 ÷ 2.5 = $0.22 per 100 g
2.Pencils costs $5.04 for a pack of 24. What is the price per pencil?
Answer: $0.21
- $5.04 ÷ 24 = $0.21 per pencil
3.Oats costs $8.00 for 2 kg. What is the price per 100 g?
Answer: $0.40
- $8.00 ÷ 20 = $0.40 per 100 g
4.Pasta costs $1.55 for 500 g. What is the price per 100 g?
Answer: $0.31
- $1.55 ÷ 5 = $0.31 per 100 g
5.Pencils costs $10.44 for a pack of 12. What is the price per pencil?
Answer: $0.87
- $10.44 ÷ 12 = $0.87 per pencil
6.Pencils costs $5.52 for a pack of 12. What is the price per pencil?
Answer: $0.46
- $5.52 ÷ 12 = $0.46 per pencil
7.Rice costs $3.00 for 500 g. What is the price per 100 g?
Answer: $0.60
- $3.00 ÷ 5 = $0.60 per 100 g
8.Pasta costs $1.30 for 250 g. What is the price per 100 g?
Answer: $0.52
- $1.30 ÷ 2.5 = $0.52 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.