Calculating Sale Prices and Original Costs Practice
A practice set of 10 problems plus a worked exemplar that helps 9th graders find sale prices after 10%, 15%, 20%, and 50% discounts and work backward to original costs. Students build percent and decimal multiplier skills through real-world shopping contexts, with the exemplar modeling the steps before they work independently.
“generate a math worksheet to have students practice solving the new sales price after a discount percentage (10%, 15%, 20%, 50% off) from a total. Generate 10 problems for students to practice with one exemplar.”
Teacher Guide & Tips
- Use as a 30-40 minute independent or partner practice block after a brief mini-lesson on converting percents to decimal multipliers (for example, 20% off means paying 0.80 of the price).
- Discussion question: Why does a 50% discount give the same result as cutting the price in half, and how could you check a sale price using estimation?
- Scaffold for struggling readers: Have them complete the exemplar aloud with you, then solve one problem with a calculator-free multiplier table before moving on.
- Extension for advanced students: Ask them to compare two back-to-back discounts (for example, 20% then 15% off versus 35% off) and explain why the results differ.
- Estimated time: about 35 minutes for all 10 problems, plus 5 minutes for the exemplar review.
What is Diffit?
Teachers use Diffit to get quality materials for their unique classrooms. Adjust difficulty, add scaffolds, or change the topic to get started.
Try Diffit for free“generate a math worksheet to have students practice solving the new sales price after a discount percentage (10%, 15%, 20%, 50% off) from a total. Generate 10 problems for students to practice with one exemplar.”
Teacher Guide & Tips
- Use as a 30-40 minute independent or partner practice block after a brief mini-lesson on converting percents to decimal multipliers (for example, 20% off means paying 0.80 of the price).
- Discussion question: Why does a 50% discount give the same result as cutting the price in half, and how could you check a sale price using estimation?
- Scaffold for struggling readers: Have them complete the exemplar aloud with you, then solve one problem with a calculator-free multiplier table before moving on.
- Extension for advanced students: Ask them to compare two back-to-back discounts (for example, 20% then 15% off versus 35% off) and explain why the results differ.
- Estimated time: about 35 minutes for all 10 problems, plus 5 minutes for the exemplar review.
Calculating Sale Prices and Original Costs Practice
A practice set of 10 problems plus a worked exemplar that helps 9th graders find sale prices after 10%, 15%, 20%, and 50% discounts and work backward to original costs. Students build percent and decimal multiplier skills through real-world shopping contexts, with the exemplar modeling the steps before they work independently.
What is Diffit?
Teachers use Diffit to get quality materials for their unique classrooms. Adjust difficulty, add scaffolds, or change the topic to get started.
Try Diffit for free