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Unit Price worksheet

Grade 6 · CCSS 6.RP.A.3.b, 6.RP.A.3.d

Solve each problem and show your work. Round answers to 2 decimal places where needed.

1.
Problem 1.
- Product A price: $3.75
- Product A size: 18 oz (weight)
- Product B price: $8
- Product B size: 21 oz (weight)
Find: Best value (lowest price per unit)
Answer
2.
Problem 2.
- Product A price: $3.50
- Product A size: 11 oz (weight)
- Product B price: $7.60
- Product B size: 33 oz (weight)
Find: Best value (lowest price per unit)
Answer
3.
Problem 3.
- Product A price: $5
- Product A size: 14 oz (weight)
- Product B price: $5.50
- Product B size: 23 oz (weight)
Find: Best value (lowest price per unit)
Answer
4.
Problem 4.
- Product A price: $4.50
- Product A size: 16 oz (weight)
- Product B price: $10
- Product B size: 32 oz (weight)
Find: Best value (lowest price per unit)
Answer
5.
Problem 5.
- Product A price: $5.25
- Product A size: 18 oz (weight)
- Product B price: $8.50
- Product B size: 22 oz (weight)
Find: Best value (lowest price per unit)
Answer
6.
Problem 6.
- Product A price: $4.60
- Product A size: 19 oz (weight)
- Product B price: $7
- Product B size: 28 oz (weight)
Find: Best value (lowest price per unit)
Answer
7.
Problem 7.
- Product A price: $2.75
- Product A size: 15 oz (weight)
- Product B price: $6.50
- Product B size: 32 oz (weight)
Find: Best value (lowest price per unit)
Answer
8.
Problem 8.
- Product A price: $4
- Product A size: 14 oz (weight)
- Product B price: $7.80
- Product B size: 24 oz (weight)
Find: Best value (lowest price per unit)
Answer
9.
Problem 9.
- Product A price: $5.50
- Product A size: 16 oz (weight)
- Product B price: $5.50
- Product B size: 28 oz (weight)
Find: Best value (lowest price per unit)
Answer
10.
Problem 10.
- Product A price: $3.90
- Product A size: 15 oz (weight)
- Product B price: $7.50
- Product B size: 28 oz (weight)
Find: Best value (lowest price per unit)
Answer

Answer key: Unit Price worksheet

1. Best value (lowest price per unit): Product A
1. Product A: divide the price by the size to get the price per oz
  $\frac{$3.75}{18 oz}$ $= $ 0.2083 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$8.00}{21 oz}$ $= $ 0.381 per oz$
3. Compare with the next cheapest, product B: how much you save, as a percent of its unit price
  $\frac{0.381 - 0.2083}{0.381} \times 100$ $= 45.31%$
4. The lowest price per unit is the best value
  $Product A at $0.2083 per oz$
2. Best value (lowest price per unit): Product B
1. Product A: divide the price by the size to get the price per oz
  $\frac{$3.50}{11 oz}$ $= $ 0.3182 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$7.60}{33 oz}$ $= $ 0.2303 per oz$
3. Compare with the next cheapest, product A: how much you save, as a percent of its unit price
  $\frac{0.3182 - 0.2303}{0.3182} \times 100$ $= 27.62%$
4. The lowest price per unit is the best value
  $Product B at $0.2303 per oz$
3. Best value (lowest price per unit): Product B
1. Product A: divide the price by the size to get the price per oz
  $\frac{$5.00}{14 oz}$ $= $ 0.3571 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$5.50}{23 oz}$ $= $ 0.2391 per oz$
3. Compare with the next cheapest, product A: how much you save, as a percent of its unit price
  $\frac{0.3571 - 0.2391}{0.3571} \times 100$ $= 33.04%$
4. The lowest price per unit is the best value
  $Product B at $0.2391 per oz$
4. Best value (lowest price per unit): Product A
1. Product A: divide the price by the size to get the price per oz
  $\frac{$4.50}{16 oz}$ $= $ 0.2813 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$10.00}{32 oz}$ $= $ 0.3125 per oz$
3. Compare with the next cheapest, product B: how much you save, as a percent of its unit price
  $\frac{0.3125 - 0.2813}{0.3125} \times 100$ $= 10%$
4. The lowest price per unit is the best value
  $Product A at $0.2813 per oz$
5. Best value (lowest price per unit): Product A
1. Product A: divide the price by the size to get the price per oz
  $\frac{$5.25}{18 oz}$ $= $ 0.2917 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$8.50}{22 oz}$ $= $ 0.3864 per oz$
3. Compare with the next cheapest, product B: how much you save, as a percent of its unit price
  $\frac{0.3864 - 0.2917}{0.3864} \times 100$ $= 24.51%$
4. The lowest price per unit is the best value
  $Product A at $0.2917 per oz$
6. Best value (lowest price per unit): Product A
1. Product A: divide the price by the size to get the price per oz
  $\frac{$4.60}{19 oz}$ $= $ 0.2421 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$7.00}{28 oz}$ $= $ 0.25 per oz$
3. Compare with the next cheapest, product B: how much you save, as a percent of its unit price
  $\frac{0.25 - 0.2421}{0.25} \times 100$ $= 3.16%$
4. The lowest price per unit is the best value
  $Product A at $0.2421 per oz$
7. Best value (lowest price per unit): Product A
1. Product A: divide the price by the size to get the price per oz
  $\frac{$2.75}{15 oz}$ $= $ 0.1833 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$6.50}{32 oz}$ $= $ 0.2031 per oz$
3. Compare with the next cheapest, product B: how much you save, as a percent of its unit price
  $\frac{0.2031 - 0.1833}{0.2031} \times 100$ $= 9.74%$
4. The lowest price per unit is the best value
  $Product A at $0.1833 per oz$
8. Best value (lowest price per unit): Product A
1. Product A: divide the price by the size to get the price per oz
  $\frac{$4.00}{14 oz}$ $= $ 0.2857 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$7.80}{24 oz}$ $= $ 0.325 per oz$
3. Compare with the next cheapest, product B: how much you save, as a percent of its unit price
  $\frac{0.325 - 0.2857}{0.325} \times 100$ $= 12.09%$
4. The lowest price per unit is the best value
  $Product A at $0.2857 per oz$
9. Best value (lowest price per unit): Product B
1. Product A: divide the price by the size to get the price per oz
  $\frac{$5.50}{16 oz}$ $= $ 0.3438 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$5.50}{28 oz}$ $= $ 0.1964 per oz$
3. Compare with the next cheapest, product A: how much you save, as a percent of its unit price
  $\frac{0.3438 - 0.1964}{0.3438} \times 100$ $= 42.86%$
4. The lowest price per unit is the best value
  $Product B at $0.1964 per oz$
10. Best value (lowest price per unit): Product A
1. Product A: divide the price by the size to get the price per oz
  $\frac{$3.90}{15 oz}$ $= $ 0.26 per oz$
2. Product B: divide the price by the size to get the price per oz
  $\frac{$7.50}{28 oz}$ $= $ 0.2679 per oz$
3. Compare with the next cheapest, product B: how much you save, as a percent of its unit price
  $\frac{0.2679 - 0.26}{0.2679} \times 100$ $= 2.93%$
4. The lowest price per unit is the best value
  $Product A at $0.2600 per oz$