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# Rates & Ratios - PowerPoint PPT Presentation

Rates & Ratios. Ratios & Rates JEOPARDY. GCF & LCM. Unit Rates & Equivalent Ratios. Word Problems. Ratio Tables. Graphing Ratios. 10. 10. 10. 10. 10. 20. 20. 20. 20. 20. 30. 30. 30. 30. 30. 40. 40. 40. 40. 40. 50. 50. 50. 50. 50. GCF & LCM – 10 Points.

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## PowerPoint Slideshow about ' Rates & Ratios' - taylor

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Ratios & Rates JEOPARDY

GCF & LCM

Unit Rates & Equivalent Ratios

Word Problems

Ratio Tables

Graphing Ratios

10

10

10

10

10

20

20

20

20

20

30

30

30

30

30

40

40

40

40

40

50

50

50

50

50

What is the GCF of 12 and 18?

What is the LCM of 6 and 15?

What is the GCF of 18, 27 and 30?

One bus leaves a stop every 9 minutes. A second bus leaves every 15 minutes. If they both leave at 1:25 P.M., at what time will they next leave together?

A gardener wants to plant 35 marigold plants, 20 rose plants, and 15 daylily plants in his garden. If he puts the same number of plants in each row and if each row has only one type of plant, what is the greatest number of plants she can put in one row? Explain.

What is the unit rate for:20 windows4 doors

Find the unit rate:48 lemons\$8

4dogs= __________

9 cats 18 cats

Give an equivalent ratio of 5:9.

Is the pair of rates equivalent? Why or why not? \$3 for 6 bagels; \$9 for 24 bagels

If Chester can type 75 words in 100 seconds, how many words could he type in 5 minutes?

If 45 cookies will serve 15 students, how many cookies are needed for 30 students?

A recipe for cookies calls for 3 cups of flour to 4 cups of sugar. How many cups of sugar per cup of flour does the recipe require?

Four students spent \$12 on school lunch. At this rate, find the amount 10 students would spend on the same school lunch.

A factory can make 140 toys in 4 hours. A) What is the unit rate of toys made per hour?B) At this rate, how many toys can be made in 7 hours?

Complete the Ratio Table

8 snakes for every 3 turtles

Complete the Ratio Table

7 dogs out of 12 pets

Complete the Ratio Table

16 cars to 20 trucks

Lisa bought 200 beads for \$48 to make a bracelet. If she needs to buy 25 more beads, how much will she pay if she is charged the same rate?

Laura was 4 years old when her Aunt Donna was 31 years old. How old will Laura be when her aunt is 4 times as old as she is?

Final Jeopardy Category: Comparison Shopping

write the amount on your board

Find the better buy:22oz bottle of Juice for \$2.09 or20oz bottle of juice for \$1.79