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Year 6 Best Buys and Unit Prices Worksheet — Level 2 — Answers

Answer sheet with worked solutions for the Year 6 ratio & rates worksheet.

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Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Ratio & Rates

Year 6 Best Buys and Unit Prices Worksheet — Level 2 — Answers

Find the price for the same amount of each (the unit price), then compare. Show your working.

1.Which is better value: pasta at $1.80 for 1 kg, or at $1.40 for 500 g?

Answer: $1.80 for 1 kg ($0.18 per 100 g)

  1. First: $1.80 ÷ 10 = $0.18 per 100 g
  2. Second: $1.40 ÷ 5 = $0.28 per 100 g
  3. The cheaper unit price is better value.
2.Which is better value: rice at $1.45 for 500 g, or at $9.00 for 2 kg?

Answer: $1.45 for 500 g ($0.29 per 100 g)

  1. First: $1.45 ÷ 5 = $0.29 per 100 g
  2. Second: $9.00 ÷ 20 = $0.45 per 100 g
  3. The cheaper unit price is better value.
3.Which is better value: pasta at $2.70 for 500 g, or at $6.60 for 1 kg?

Answer: $2.70 for 500 g ($0.54 per 100 g)

  1. First: $2.70 ÷ 5 = $0.54 per 100 g
  2. Second: $6.60 ÷ 10 = $0.66 per 100 g
  3. The cheaper unit price is better value.
4.Which is better value: rice at $7.90 for 1 kg, or at $13.20 for 2 kg?

Answer: $13.20 for 2 kg ($0.66 per 100 g)

  1. First: $7.90 ÷ 10 = $0.79 per 100 g
  2. Second: $13.20 ÷ 20 = $0.66 per 100 g
  3. The cheaper unit price is better value.
5.Which is better value: pencils at $5.88 for a pack of 12, or at $9.12 for a pack of 24?

Answer: $9.12 for a pack of 24 ($0.38 per pencil)

  1. First: $5.88 ÷ 12 = $0.49 per pencil
  2. Second: $9.12 ÷ 24 = $0.38 per pencil
  3. The cheaper unit price is better value.
6.Which is better value: rice at $8.70 for 1 kg, or at $16.00 for 2 kg?

Answer: $16.00 for 2 kg ($0.80 per 100 g)

  1. First: $8.70 ÷ 10 = $0.87 per 100 g
  2. Second: $16.00 ÷ 20 = $0.80 per 100 g
  3. The cheaper unit price is better value.
7.Which is better value: rice at $2.85 for 500 g, or at $13.40 for 2 kg?

Answer: $2.85 for 500 g ($0.57 per 100 g)

  1. First: $2.85 ÷ 5 = $0.57 per 100 g
  2. Second: $13.40 ÷ 20 = $0.67 per 100 g
  3. The cheaper unit price is better value.
8.Which is better value: rice at $7.60 for 2 kg, or at $2.30 for 500 g?

Answer: $7.60 for 2 kg ($0.38 per 100 g)

  1. First: $7.60 ÷ 20 = $0.38 per 100 g
  2. Second: $2.30 ÷ 5 = $0.46 per 100 g
  3. The cheaper unit price is better value.
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