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Year 6 Best Buys and Unit Prices Worksheet — Level 2 — Practice Set 3 — 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 3 — Answers

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

1.Which is better value: oats at $8.00 for 1 kg, or at $12.60 for 2 kg?

Answer: $12.60 for 2 kg ($0.63 per 100 g)

  1. First: $8.00 ÷ 10 = $0.80 per 100 g
  2. Second: $12.60 ÷ 20 = $0.63 per 100 g
  3. The cheaper unit price is better value.
2.Which is better value: pencils at $4.20 for a pack of 6, or at $7.44 for a pack of 12?

Answer: $7.44 for a pack of 12 ($0.62 per pencil)

  1. First: $4.20 ÷ 6 = $0.70 per pencil
  2. Second: $7.44 ÷ 12 = $0.62 per pencil
  3. The cheaper unit price is better value.
3.Which is better value: juice at $7.40 for 2 L, or at $3.20 for 1 L?

Answer: $3.20 for 1 L ($0.32 per 100 mL)

  1. First: $7.40 ÷ 20 = $0.37 per 100 mL
  2. Second: $3.20 ÷ 10 = $0.32 per 100 mL
  3. The cheaper unit price is better value.
4.Which is better value: oats at $4.40 for 2 kg, or at $1.40 for 1 kg?

Answer: $1.40 for 1 kg ($0.14 per 100 g)

  1. First: $4.40 ÷ 20 = $0.22 per 100 g
  2. Second: $1.40 ÷ 10 = $0.14 per 100 g
  3. The cheaper unit price is better value.
5.Which is better value: pasta at $3.80 for 1 kg, or at $1.50 for 500 g?

Answer: $1.50 for 500 g ($0.30 per 100 g)

  1. First: $3.80 ÷ 10 = $0.38 per 100 g
  2. Second: $1.50 ÷ 5 = $0.30 per 100 g
  3. The cheaper unit price is better value.
6.Which is better value: pasta at $1.80 for 1 kg, or at $0.85 for 250 g?

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

  1. First: $1.80 ÷ 10 = $0.18 per 100 g
  2. Second: $0.85 ÷ 2.5 = $0.34 per 100 g
  3. The cheaper unit price is better value.
7.Which is better value: pencils at $3.30 for a pack of 6, or at $4.68 for a pack of 12?

Answer: $4.68 for a pack of 12 ($0.39 per pencil)

  1. First: $3.30 ÷ 6 = $0.55 per pencil
  2. Second: $4.68 ÷ 12 = $0.39 per pencil
  3. The cheaper unit price is better value.
8.Which is better value: pencils at $9.60 for a pack of 24, or at $7.08 for a pack of 12?

Answer: $9.60 for a pack of 24 ($0.40 per pencil)

  1. First: $9.60 ÷ 24 = $0.40 per pencil
  2. Second: $7.08 ÷ 12 = $0.59 per pencil
  3. The cheaper unit price is better value.
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