1 / 17

POP QUIZ

POP QUIZ. Write these ratios in all three ways (in simplest form). 1 . What is the ratio of stars to arrows? 2. What is the ratio of arrows to checkmarks? Fi nd the unit rate. 3 . 650 miles in 24 hours 4. $8.96 for 4 boxes of paper

georgia-becker
Download Presentation

POP QUIZ

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. POP QUIZ Write these ratios in all three ways (in simplest form). 1. What is the ratio of stars to arrows? 2. What is the ratio of arrows to checkmarks? Find the unit rate. 3. 650 miles in 24 hours 4. $8.96 for 4 boxes of paper Which one would be the better buy? Show the unit price for each item in your work, circle the better buy. 5. $3.50 for 10 apples or $4.00 for 14 apples

  2. A group of students had a choice of either hamburgers or pizza for lunch. There were 12 students. 5 chose pizza and 7 chose hamburgers for lunch. A group of students had a choice of either hamburgers or pizza for lunch. There were 12 students. 5 chose pizza and 7 chose hamburgers for lunch. A ratio is a way of comparing amounts. The ratio of pizza to hamburgers is 5:7. The ratio of hamburgers to pizza is 7:5.

  3. When two quantities increase and decrease in the same ratio, they are in direct proportion. When two quantities increase and decrease in the same ratio, they are in direct proportion. When mixing paint, the ratio of red to white paint is 4:1. + This is the amount of paint needed to paint two sides of the shed. How much of each color would we need if we wanted to paint all four sides of the shed?

  4. To paint the whole shed, we would have to double the amount of red paint. When we double the amount of red paint, we must increase the amount of white paint in the same ratio. + + If we double the amount of white paint, we have 2 cans. If we double the amount of red paint, we have 8 cans.

  5. How much paint would you need to paint two sheds, using the information on the previous page? Move the shed to reveal the answer. How much paint would you need to paint two sheds, using the information on the previous page? Move the shed to reveal the answer. + 16 red cans 4 white cans 16:4

  6. Drag the ratios into the box that are in direct proportion. Drag the ratios into the box that are in direct proportion. Ratios in direct proportion Click here for the answer Click here for the answer 3:1 = 9:3 5:10 = 1:2 4:2 = 12:6 1:2 = 2:3 1:4 = 4:1 1:6 = 2:12

  7. Use direct proportion to answer the following questions. Use direct proportion to answer the following questions. A factory makes 5 bicycles per hour. How many bicycles can they make in 2 hours? One chocolate bar costs 1 dollar. How much would 5 bars cost? A taxi goes 10 miles in 20 minutes. How far does it travel in one hour? Click here for the answer Click here for the answer

  8. Use direct proportion to answer the following questions. Use direct proportion to answer the following questions. Sue can do 20 math questions in 5 minutes. How many can she do in 1 minute? Four packs of candies cost $4.50. How much would 2 packs cost? The city bus goes 18 miles in 30 minutes. How far does it go in 10 minutes? Click here for the answer Click here for the answer

  9. Press the link below for more practice. Press the link below for more practice.

  10. The following pages are answers to the tasks in the lesson activity. The following pages are answers to the tasks in the lesson activity.

  11. Ratios in direct proportion 3:1 = 9:3 4:2 = 12:6 1:6 = 2:12 5:10 = 1:2 Click here to go back Click here to go back 1:2 = 2:3 1:4 = 4:1

  12. A factory makes 5 bicycles per hour. How many bicycles can they make in 2 hours? 10 bicycles One chocolate bar costs 1 dollar. How much would 5 bars cost? $5 A taxi goes 10 miles in 20 minutes. How far does it travel in one hour? 30 miles Click here to go back Click here to go back

  13. Sue can do 20 math questions in 5 minutes. How many can she do in 1 minute? 4 questions Four packs of candies cost $4.50. How much would 2 packs cost? $2.25 6 miles The city bus goes 18 miles in 30 minutes. How far does it go in 10 minutes? Click here to go back Click here to go back

More Related