Estimate Tips and Discounts

Start with the estimation sheets so students can judge whether an exact answer makes sense. Move to the exact sheets and word problems, then use the comparing sheets and the maze for review.

Estimate tips and sale prices for 10 bills and items, such as a 15% tip on $38.75. The directions on the page read: Round each amount to the nearest ten dollars and write it under Rounded. Then use it to find the estimate. For a sale price, subtract the discount. The page opens with a worked example, and an answer key is included.

Yes, both. We made it for 8th grade percents, and it works the same at home or at school. At home, a student can work through it alone and then go over it with you, which shows quickly what is solid and what needs another look. In class it works as independent practice, homework or a warm-up, and you can print one copy or a full set.

Round the percent to a benchmark such as 10%, 25% or 50%, and round the number. For 22% of 322, use 25% of 320, which is 80. Estimate Percents Using Benchmarks has 16 problems like this.

Write the percent as a decimal greater than 1 and multiply. For 145% of 60, 1.45 × 60 = 87. The answer is always greater than the number.

Multiply the price by the tax rate as a decimal, then add the tax to the price. A $38 shirt with 6.5% tax has 0.065 × 38 = $2.47 in tax, for a total of $40.47. Sales Tax and Tip Problems practices this.

No. The starting prices matter too. A $76 item at 25% off costs $57.00, while a $67 item at 15% off costs $56.95. Which Deal Is Better has students find both sale prices before they choose.