Review

1) 45% of 355 is what? Translate: Change the percent to a decimal What does “of” mean? What does “is” mean? What does “what” mean? Do the math.

2) 82 is 90% of what? Translate: What does “is” mean? Change the percent to a decimal What does “of” mean? What does “what” mean? Do the math.

3) 36 is what % of 100? Translate: What does “is” mean? What does “what” mean? What does “of” mean? Do the math. Make sure your answer is a percent.

4) Amy sells stuffed animals. If she has a stuffed animal that she sells for $18.60, what is the sales tax on the animal if the sales tax is 4% of the sale price What is the question asking for? How do you find SALES TAX? Percent times price Change the percent to a decimal Do the math.

5) The price of the DVD went from $14 to $19. What was the percent of increase? What is the question asking for? What is the formula for percent of change? 1. Subtract 2. Divide by the original 3. Multiply by 100 to change to a percent.

6) When water boils, a portion of the water escapes as gas. If a pan is filled with 21.1 gallons of water and set to boil, how much water is removed if 5% of the water escapes as gas? What is the question asking? Translate: 5% of the water Do we know how much water we started with? “a pan is filled with 21.1 gallons of water” Translate and do the math.

7) ABC Shoes is in competition with High Low Shoes. Both stores sell the High Runner shoe. ABC Shoes sells the shoes for $ High Low Shoes sells the same shoes for $ On the weekend, ABC Shoes decides to offer a 20% discount on these shoes. Calculate the new price at ABC shoes. What is the question asking? What kind of problem is this? Shoes are on sale/discount/% off. How do we do problems like this? Percent you DO PAY times price. Do the math.

8) 9(-3 - 5) Read the problem. Pay attention to ‘minus’. What do we do with ‘minus’? Add-the-opposite Do the math

9) If a bank offers a savings account that pays simple interest of 5% and you deposit $425 into this account, how much interest will you have earned after 5 years? What kind of problem is this? What is the question asking? What is the formula for INTEREST? I = PRT Substitute and do the math

10) Solve: 11 + b = -22 What does ‘solve’ mean? Get the variable by itself. Use inverse operation. What is the opposite of 11? What you do to one side you do to the other side. Do the math.

11) Solve: x + 2 > 5 What does ‘solve’ mean? Get the variable by itself. Use inverse operation. What is the opposite of +2? What you do to one side you do to the other side. Do the math. Keep the > sign.

12) Use the distributive property then simplify. 7(8a - 4) + 2a First, read the question. What does ‘minus’ tell us to do? What is the question telling us to do? How do you use the distributive property? Multiply across the parenthesis. How do you simplify this? Combine like terms.

13) Evaluate : 5m - 5x if m =9 & x = 7 What is the question asking you to do? Use the substitute method. Do the math.

14. To mix the color ‘autumn purple’, a painter mixes 28 parts of blue to 48 parts of red. What is the ratio of blue to red. Express the ratio in simplest form. What type of question is this? What is a ratio? Pay attention to the order in the question. What are the directions telling you to do? Express ratio in simplest form.

15) Ellen needs new socks. Her mother can buy a package of 6 for $3.60 or a package of 9 for $4.80. Which is the better buy? What kind of question is this? How do you find the unit price for each package? Divide: Money divided by item for each. After you complete the math, what is the question?

16) In order to make 8 dozen cookies, you must use 3 eggs. How many eggs would be needed to make 48 dozen cookies. Use proportions to solve. What is the questions telling you to do? What is a proportion? Proportion - equal ratios. Use labels if needed to get your numbers in the correct place. Do the math.

17) A square rug has an area of 81 square feet. What is the measure of each side of the rug? What kind of question is this? Draw a square if needed. Put the 81 inside the square. How can you find the measure of the side? Use square root. Do the math.

18) 512 out of 600 seats are full. What percent of the seats are full? What kind of question is this? Percent: ‘out of’ How do you do ‘out of’ problems? Divide: part divided by total. Change your answer to a percent.

19) Bath-R-Us sold 42 towels and 85 bath mats. What percent of sales of the two products were towels? What is the question asking? You need to find the percent that were towels. So your problem will be towels divided by... {think about the last question...} The bottom number in a fraction is the total. Do the math. Is your answer a percent?

20) In this set of chips, each plain chip has a value of -1 and each gray chip has a value of 1. What is the value of the set? What does this question tell us about each kind of chip? What can you do to find the value of this set? Use ‘-1’ for each white chip and ‘1’ for each gray chip. Do the math.