Percent problems

Percent where it is actually met: a price after tax, a tip, a discount, interest, and working back to the whole.

6 sheets · 30 questions · one answer key · 8 pages

Recommended for grades 5–7

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Sales tax Sheet 1 of 6

Percent word problemsSales tax

Name: Date:

Work out the total cost after sales tax.

1A $300 game has 15% sales tax.What is the total cost?

2A $300 game has 10% sales tax.What is the total cost?

3A $410 game has 40% sales tax.What is the total cost?

4A $70 game has 20% sales tax.What is the total cost?

5A $105 game has 40% sales tax.What is the total cost?

Percent word problemsTips

Name: Date:

Work out the tip on each bill.

1A restaurant bill comes to $15.How much is a 40% tip?

2A restaurant bill comes to $456.How much is a 25% tip?

3A restaurant bill comes to $50.How much is a 40% tip?

4A restaurant bill comes to $280.How much is a 30% tip?

5A restaurant bill comes to $182.How much is a 50% tip?

Percent word problemsDiscounts

Name: Date:

Work out the sale price after each discount.

1A $134 jacket is 50% off.What is the sale price?

2A $448 jacket is 50% off.What is the sale price?

3A $448 jacket is 25% off.What is the sale price?

4A $170 jacket is 30% off.What is the sale price?

5A $365 jacket is 20% off.What is the sale price?

Percent word problemsSimple interest

Name: Date:

Work out the simple interest on each amount.

1$2375 earns 20% simple interest a year.How much interest after 3 years?

2$1275 earns 12% simple interest a year.How much interest after 2 years?

3$500 earns 5% simple interest a year.How much interest after 1 year?

4$3500 earns 8% simple interest a year.How much interest after 5 years?

5$3000 earns 6% simple interest a year.How much interest after 4 years?

Percent word problemsPercent error

Name: Date:

Work out the percent error of each measurement.

1The true value is 350, but it was measured as 280.What is the percent error?

2The true value is 196, but it was measured as 147.What is the percent error?

3The true value is 260, but it was measured as 299.What is the percent error?

4The true value is 500, but it was measured as 540.What is the percent error?

5The true value is 75, but it was measured as 66.What is the percent error?

Percent word problemsFind the whole

Name: Date:

Work out the whole number each part comes from.

1140 is 40% of a number.What is the number?

224 is 15% of a number.What is the number?

3184 is 50% of a number.What is the number?

466 is 12% of a number.What is the number?

536 is 30% of a number.What is the number?

Power Pack · Percent problemsAnswer key

Sales tax

1. A $300 game has 15% sales tax. What is the total cost? → $3452. A $300 game has 10% sales tax. What is the total cost? → $3303. A $410 game has 40% sales tax. What is the total cost? → $5744. A $70 game has 20% sales tax. What is the total cost? → $845. A $105 game has 40% sales tax. What is the total cost? → $147

Tip

1. A restaurant bill comes to $15. How much is a 40% tip? → $62. A restaurant bill comes to $456. How much is a 25% tip? → $1143. A restaurant bill comes to $50. How much is a 40% tip? → $204. A restaurant bill comes to $280. How much is a 30% tip? → $845. A restaurant bill comes to $182. How much is a 50% tip? → $91

Discount

1. A $134 jacket is 50% off. What is the sale price? → $672. A $448 jacket is 50% off. What is the sale price? → $2243. A $448 jacket is 25% off. What is the sale price? → $3364. A $170 jacket is 30% off. What is the sale price? → $1195. A $365 jacket is 20% off. What is the sale price? → $292

Simple interest

1. $2375 earns 20% simple interest a year. How much interest after 3 years? → $14252. $1275 earns 12% simple interest a year. How much interest after 2 years? → $3063. $500 earns 5% simple interest a year. How much interest after 1 year? → $254. $3500 earns 8% simple interest a year. How much interest after 5 years? → $14005. $3000 earns 6% simple interest a year. How much interest after 4 years? → $720

Power Pack · Percent problemsAnswer key

Percent error

1. The true value is 350, but it was measured as 280. What is the percent error? → 20%2. The true value is 196, but it was measured as 147. What is the percent error? → 25%3. The true value is 260, but it was measured as 299. What is the percent error? → 15%4. The true value is 500, but it was measured as 540. What is the percent error? → 8%5. The true value is 75, but it was measured as 66. What is the percent error? → 12%

Find the whole

1. 140 is 40% of a number. What is the number? → 3502. 24 is 15% of a number. What is the number? → 1603. 184 is 50% of a number. What is the number? → 3684. 66 is 12% of a number. What is the number? → 5505. 36 is 30% of a number. What is the number? → 120

Percent problems

What is in the pack

The number track

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