Unit 2 Test Review

1-6 How can you find out if two rates or ratios are equivalent? How do you create equivalent ratios or rates?

1-6 The ratio of boys to total students in Lisa’s class is 4:9. – Find the number of girls in class if there are 27 students.

1-6 Jennifer saved $48 in 5 weeks. Her brother saved $64 in 49 days. Are the rates at which they saved equivalent? Explain your reasoning. – If Kent’s rate of saving is the same as Jennifer’s, how much will he have saved after 12 days?

1-7 How do you solve ratio and rate problems?

1-7 There are 57 ounces of dog biscuits in 5 boxes. At this rate, how many ounces of dog biscuits are in 8 boxes?

1-7 At a train station, trains depart at a rate of 4 every 15 minutes. At this rate, how many trains would depart in two hours?

2-1 How do you convert a decimal to a fraction? How do you convert a fraction to a decimal?

2-1 Ned ran 0.35 miles on Monday, 1.2 miles on Tuesday, and 2.73 miles on Wednesday. Write the total distance he ran, in miles, as a mixed number in simplest form.

2-1 In a survey, 5 out of 25 students said football was their favorite sport. Express the number of students who did not say football was their favorite sport as a decimal.

2-2 How do you convert a percent to a fraction? How do you convert a fraction to a percent?

2-2 During his workout, Frank spent 21% of his time on the treadmill and 13% of his time on the elliptical. What fraction of his workout was spent doing other things?

2-3 How do you convert a percent to a decimal? How do you convert a decimal to a percent?

2-3 In one day at a store, 11% of the sales were from shoes. Write the percentage of sales not from shoes as a decimal.

2-7 How do you find the percent of a number?

% of 36

2-7 There were 250 people in a movie theater. Twenty percent of them received the student discount and 12% received the senior citizen discount. The rest did not receive a discount. How many people did not receive a discount?

1-5 What do you know about graphing ratio tables? – Graph the ordered pairs – Be able to describe pattern in graph by discussing relationship between units on both axes – The greater the ratio/rate, the steeper the line will appear

1-4 What do you know about ratio tables? – Columns are filled with pairs of numbers that have the same ratio – Multiply/divide going across the rows – First column should be units

1-4 Cal’s Calculator Company produces scientific calculators. The company can produce 355 calculators in 5 hours. The company produces calculators 24 hours a day. After 4 whole days of work, how many calculators can the company produce? Create a ratio table and solve. If the company charges $15 per calculator, how much money will it make per day from calculator sales?

1-3 What do you know about rates? – Need units – Comparison of two quantities with different unit by division – Normally written as fraction What do you know about unit rates? – Denominator is 1 – Show work by writing as fraction with units

1-3 George went to Costco and bought four cases of Gatorade for $ Each case contains 24 bottles of Gatorade. What is the price of one bottle of Gatorade?

1-3 Boxes of granola bars are on sale at Jewel. The boxes are the same size but different brands. You need to purchase 12 boxes. Quaker granola bars are 3 boxes for $4.50 and Nature Valley granola bars are 4 boxes for $5.25. – Which granola bars should you purchase if you want to spend a lesser amount? – How much money will you save?

1-2 What do you know about ratios? – No units! – Order matters – Be careful of wording of problem