Adv. Math Chapter 22 Review
Use the picture to write the ratios. Tell whether the ratio compares part to part, part to whole, or whole to part. All shapes to triangles. Rectangles to ovals. Ovals to all shapes.
Use the picture to write the ratios. Tell whether the ratio compares part to part, part to whole, or whole to part. All shapes to triangles. 18 : 9 whole to part Rectangles to ovals. 3 : 6part to part Ovals to all shapes. 6 : 18part to whole
Which of the following shows two equivalent ratios? a. 7 : 9 and 14 : 16 b. 7 : 9 and 14 : 18
Which of the following shows two equivalent ratios? b. 7 : 9 and 14 : 18 7 =
Write two equivalent ratios for each of the following. a. 12 : 15 b. 1 3
Write two equivalent ratios for each of the following. a. 12 : 1524 : 304 : 5 b *Note: There is more than 1 right answer.
Tell whether the ratios form a proportion. Write yes or no. 4 and 2624 and
Tell whether the ratios form a proportion. Write yes or no. 4 and 2624 and YesNo
Solve the following proportions using Cross Products. Show your work!! 8=x9= x20
Solve the following proportions using Cross Products. Show your work!! 8=x9= x20 36x = 8(54) 12x = 9(20) 36x = x = x = 12 x = 15
Use the formula Distance = Rate x Time (d = rt) to solve the following: Valerie runs 1,200 meters in 8 minutes. What is her rate per minute?
Valerie runs 1,200 meters in 8 minutes. What is her rate per minute? d = r t 1,200 = 8r 8 = meters per minute = rate
Use the formula Distance = Rate x Time (d = rt) to solve the following: Mr. Smith drove 275 miles at a rate of 50 miles per hour. How long did it take Mr. Smith to complete his trip?
Mr. Smith drove 275 miles at a rate of 50 miles per hour. How long did it take Mr. Smith to complete his trip? d = r t 275 = 50 t 50 = hours = time
Are the figures similar?
6 = = 30 YES
Are the figures similar? 4 = = 4YES
Are the figures similar? * Hint: Pay attention to position! 6 = = 144YES
What is the unit rate ? Show your work!! a. Earn $56 for an 8 hour day b. Score 120 points in 15 games
What is the unit rate ? Show your work!! a. $$ $56 = x hours 8 1 x = $7 per hour b. points 120 = x games 15 1 x = 8 points per game
If the map scale is 1 in. = 15 miles, what is the map distance if the actual distance is 60 miles?
If the map scale is 1 in. = 15 miles, what is the map distance if the actual distance is 60 miles? Inch 1 = x Miles x = 1(60) 15x = x = 4 inches
It takes Kenny 25 minutes to inflate the tires of 50 bicycles. How long will it take him to inflate the tires of 120 bicycles?
It takes Kenny 25 minutes to inflate the tires of 50 bicycles. How long will it take him to inflate the tires of 120 bicycles? minutes 25 = x bicycles x = 25 (120) 50x = 3, x = 60 minutes
How many pizzas do you need for a party of 135 people if at the last party, 90 people ate 52 pizzas?
How many pizzas do you need for a party of 135 people if at the last party, 90 people ate 52 pizzas? pizzas 52 = x people x = 52 (135) 90x = 7, x = 78 pizzas
Practice,Practice,Practice!