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Year 6 Best Buys and Unit Prices Worksheet — Level 2 — Practice Set 4 — 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 — Practice Set 4 — Answers

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

1.Which is better value: rice at $8.20 for 1 kg, or at $3.20 for 500 g?

Answer: $3.20 for 500 g ($0.64 per 100 g)

  1. First: $8.20 ÷ 10 = $0.82 per 100 g
  2. Second: $3.20 ÷ 5 = $0.64 per 100 g
  3. The cheaper unit price is better value.
2.Which is better value: pencils at $10.44 for a pack of 12, or at $5.94 for a pack of 6?

Answer: $10.44 for a pack of 12 ($0.87 per pencil)

  1. First: $10.44 ÷ 12 = $0.87 per pencil
  2. Second: $5.94 ÷ 6 = $0.99 per pencil
  3. The cheaper unit price is better value.
3.Which is better value: juice at $8.20 for 1 L, or at $17.60 for 2 L?

Answer: $8.20 for 1 L ($0.82 per 100 mL)

  1. First: $8.20 ÷ 10 = $0.82 per 100 mL
  2. Second: $17.60 ÷ 20 = $0.88 per 100 mL
  3. The cheaper unit price is better value.
4.Which is better value: pencils at $7.08 for a pack of 12, or at $18.24 for a pack of 24?

Answer: $7.08 for a pack of 12 ($0.59 per pencil)

  1. First: $7.08 ÷ 12 = $0.59 per pencil
  2. Second: $18.24 ÷ 24 = $0.76 per pencil
  3. The cheaper unit price is better value.
5.Which is better value: oats at $7.90 for 1 kg, or at $3.60 for 500 g?

Answer: $3.60 for 500 g ($0.72 per 100 g)

  1. First: $7.90 ÷ 10 = $0.79 per 100 g
  2. Second: $3.60 ÷ 5 = $0.72 per 100 g
  3. The cheaper unit price is better value.
6.Which is better value: pasta at $3.10 for 1 kg, or at $1.05 for 250 g?

Answer: $3.10 for 1 kg ($0.31 per 100 g)

  1. First: $3.10 ÷ 10 = $0.31 per 100 g
  2. Second: $1.05 ÷ 2.5 = $0.42 per 100 g
  3. The cheaper unit price is better value.
7.Which is better value: oats at $5.60 for 1 kg, or at $1.90 for 500 g?

Answer: $1.90 for 500 g ($0.38 per 100 g)

  1. First: $5.60 ÷ 10 = $0.56 per 100 g
  2. Second: $1.90 ÷ 5 = $0.38 per 100 g
  3. The cheaper unit price is better value.
8.Which is better value: oats at $4.30 for 500 g, or at $18.40 for 2 kg?

Answer: $4.30 for 500 g ($0.86 per 100 g)

  1. First: $4.30 ÷ 5 = $0.86 per 100 g
  2. Second: $18.40 ÷ 20 = $0.92 per 100 g
  3. The cheaper unit price is better value.
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