Decimal Ops Unit Review

Master decimals & percents! Practice addition, subtraction, multiplication, division, sales tax, discounts, and tips.

TaxDiscountPercent.pptx 1. To find the total amount of my bill I need to add all the things that I buy together. 2. To find the amount of a discount, change the percent to a decimal and then multiply it with the amount of my bill. To find how much I will pay after the discount, I need to subtract the amount from my bill. 3. To find the amount of the tax, you change the percent to a decimal and then multiply it with the amount of my bill. To find how much I will pay after the tax, I need to add the amount to my bill. 4. To find the amount of a tip, you change the percent to a decimal and then multiply it with the amount of my bill. To find how much I will pay after the tip, I need to add the amount from my bill. 5. Solve the computation. Show you work. You can use the draw feature or show your work on a piece of paper and insert it.11.46 + 432.917 6. Solve the computation. Show you work. You can use the draw feature or show your work on a piece of paper and insert it.12 - 3.63 7. Solve the computation. Show you work. You can use the draw feature or show your work on a piece of paper and insert it.0.123 x 8.9 8. Solve the computation. Show you work. You can use the draw feature or show your work on a piece of paper and insert it.11.9868 ÷ 0.56 9. Match the problem from the left column to the answer on the right column. Branson earned $63.25 for 5.5 hours of work. How much did he earn per hour? 11.50 The price of one tile is $4.89. How much do 112 tiles costs? 544.58 A package of 25 mechanical pencils cost $5.75. How much does each pencil cost? 0.23 Owen had a sinus infection. The thermometer read 102.3 degrees F. His temperature dropped 3.4 degrees F. What was Owen's temperature after he took the medicine? 98.9 10. If the sales tax is 7.45% in New York State, then how much sales tax would you pay in Albany for a $34 pair of pants? What would be your total cost?Sales tax: $2.53Total cost: $36.53 11. The Smith family went to eat at Buffalo Wild Wings. The bill was $43.86. They gave the server a 15% tip. What is the cost of the tip? How much did they pay altogether? Label you answers. 12. If Peter pays $84 for dinner with the tip of 25%, find the original price of the bill.*Write a number sentence of how you calculated your answer.*Solve 13. What percent discount do you get with a pair of sunglasses that are originally $7.60 and you have a discount of 38 cents?Percent discount is 5%. 14. Solve the problem that could be represented by the percent bar. Enter the value without the dollar sign. 3.56 42.72 15. Solve the problem that could be represented by the percent bar. Enter the value without the percent sign. 15 115 16. Solve the problem that could be represented by the percent bar. Enter the value without the dollar sign. 25.20