Proportions

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description

Proportions. Fractions. Percents. Ratios. Unit Rate. Misc. Misc. Ratios. Unit Rate. Fractions. Proportions. Percents. $100. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $400. - PowerPoint PPT Presentation

Transcript of Proportions

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$100

$200

$300

$400

$500

$100

$200

$300

$400

$500

$100

$200

$300

$400

$500

$100

$200

$300

$400

$500

$100

$200

$300

$400

$500

$100

$200

$300

$400

$500

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1-1001 - 100

213

2 x

Solve the proportion below:

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1-100A1 - 100

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1-200

Solve the proportion below:

205

3 x

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1-200A1 - 100

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1-300

Solve the proportion below:

x

21

4

3

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1-300A1 - 100

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1-400

Do the two ratiosform a proportion?

Justify!

15

6,

10

4

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1-400A1 - 100

5

2

10

4

5

2

15

6

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1-500

The ratio of girls to boys in Mr. Goodly’s class is 2:3.

If there are 30 studentsin Mr. Goodly’s class,

how many of the students are girls?

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1-500A1 - 100

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2-1001 - 100

Find the sum:

5

3

5

4

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2-100A1 - 100

5

21

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2-200

Find the Sum or Difference

3

2

8

7

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2-200A1 - 100

24

5

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2-300

Find the product.

12

10

5

3

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2-300A1 - 100

2

1

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2-400

Find the product

10

22

2

14

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2-400A1 - 100

10

99

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2-500

Find the quotient.

5

22

6

51

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2-500A1 - 100

72

55

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3-1001 - 100

What percent does the shaded portion represent?

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3-100A1 - 100

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3-200

Write the ratio as a percent?

25

11

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3-200A1 - 100

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3-300

Write the percent as a fraction is simplest form.

24%

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3-300A1 - 100

25

6

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3-400

30% of 40?

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3-400A1 - 100

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3-500

25% of 200

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3-500A1 - 100

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4-1001 - 100

Express 5 girls to 15 boys

as a ratio in simplest form

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4-100A1 - 100

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4-200

How many ways cana ratio be expressed?Give examples

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4-200A1 - 100

3

1 1:3 1 to 3

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4-300

Write a ratio that is equivalent to

3/5

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4-300A1 - 100

18

12

15

9

10

6

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4-400

Write a ratio describing thepiano keys in the rectangle, black keys to white keys.

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4-400A1 - 100

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4-500

To make pancake batter, you need 2 cupsof water for every 3 cups of flour. You planto use 9 cups of flour. Write a ratio for thenumber of cups of water to the number ofcups of flour you will use.

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4-500A1 - 100

9

6

3

2

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5-1001 - 100

John made 24 points in 3 of his basketball games, what is his unit rate?

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5-100A1 - 100

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5-200

What is the unit rate,$30 for 6 books?

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5-200A1 - 100

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5-300

The unit price fordog food is $.35/lb.

How much does a 20-lb bag cost?

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5-300A1 - 100

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5-400

Lisa purchased 3 packs of gum for $2.40. How much would 5 packs of gum cost?

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5-400A1 - 100

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5-500

Suppose you have already saved $50 toward the cost of a new television set. You plan to save $5 more each week for the next several weeks. Find the total amount saved after 7 weeks.

Mr. Goodly bought a case (24 cans)of Monster energy drinks for $28.

Shell sells the drinks 3 for $5.Which is the better buy,Sam’s or Shell? Justify.

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5-500A1 - 100

Sam’s = $1.16Shell = $1.66

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6-1001 - 100

zyx

xyz

x = 2, y = 1, z = 3

WTIIShow steps. If needed, give answer

in form of a mixed number.

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6-100A1 - 100

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6-200

WTIIShow steps. If needed, give answer

in form of a mixed number.

zyx

xyz

x = 7, y = 1, z = 4

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6-200A1 - 100

3

12

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6-300

Kerry can buy apples for 35¢ each, pears for 38¢ each, and

oranges for 42¢ each. She buys 3 pieces of each type of

fruit. How much does she spend in all?

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6-300A1 - 100

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6-400

Gerry reads a lot of books. He decided to donate 25% of his books to charity. If Gerry has 40 books, how many books will he donate to charity?

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6-400A1 - 100

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6-500

One day, a research company surveyed 2 out of every 10

shoppers. A total of 540 people were shopping that day. How many people were surveyed?

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6-500A1 - 100

54010

2 x

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Tony wants to join a fitness club and he is considering the two membership options below.

Silver: $20 per month plus $2 per visit

Gold: $36 per month with unlimited visits

For what number of visits is the charge for the two membership plans the same?

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