Mathematics - Percentages - Finding percentages of quantities - Discount Detective

Shopping scenarios: 'A $80 jacket is 25% off. How much do you save?' Options: $10, $15, $20, $25. Do 4 problems with common percents (10%, 25%, 50%, 20%) of round numbers. Students build mental math strategies: 10% = divide by 10, 50% = divide by 2, 25% = divide by 4.