Proportions and Scale Factor Review | Baamboozle - Baamboozle

English 15 Public

Scale factor and solving proportions practice

Study Slideshow

Luis made a scaled copy of Jada's drawing. He used a scale factor of 1/2? Will the scaled copy be larger or smaller? Why?

Since the scale factor is less than one, it will shrink.

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What is 9 x 1/2

9/2 or 4.5

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What is the missing side?

12.5

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What is the missing side?

4.2

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What is the missing side?

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What is the missing side?

6

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What is the missing side?

6.13

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What is the missing side?

85.5 km

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What is the missing side?

26.04

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What is the scale factor from A to B?

2.8

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It takes one Super Giant Pizza to feed 3 people. If you invite 36 people, how many pizzas will you need?

12 Pizzas

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At a recent party, it cost $9.50 for refreshments for 10 guests. At this rate, how much would it cost to have refreshments for 80 guests?

$76

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Mary has saved $17.50 in the past 3 weeks. At this rate, how much will she save in 15 weeks?

$87.50

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Mr. Johnson was paid $190 for a job that required 40 hours of work. At this rate, how much should he be paid for a job requiring 60 hours of work?

$285

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The park ranger stocks the children’s fishing pond keeping a ratio of 4 sunfish to 3 perch. If he puts 300 sunfish into the pond, how many perch should be put into the pond?

225 fish

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