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Table of Contents

Ratio Tables & Diagrams pg. 10

Class Warm-up!For every 5 sharks in the Indian Ocean there are 2 sharks in the Atlantic Ocean. If there are 400 sharks in Indian Ocean, how many are in the Atlantic Ocean?

= 400

= 160

80

80

80

80

80

80

80

5 40080

NTBK: Warm-up #1!For every 3 trees in Australia there are 4 trees in Japan. If there are 256 trees in Japan, how many are in Australia?

= 193

= 256

64

64

64

64

64

4 25664

64

64

NTBK: Warm-up #2!For every 5 cars in China there is 1 car in Egypt. If there are 500 cars in China, how many are in Egypt?China Egypt

5 1500

×𝟏𝟎𝟎100

×𝟏𝟎𝟎

Warm-up #4!For every 9 sea turtles in Mexico there are 7 sea turtles in Hawaii. If there are 42 sea turtles in Hawaii, how many are in Mexico?

mexico hawaii9 7

×𝟔42

×𝟔54

Let’s change the problem a bit…so read carefully!

For every 5 people in Brazil, there are 2 people in Chile. If

there are a total of 490 people in Brazil and Chile, how many

people are in each country?

= 490

= 350

70

70

70

70

70

70

70

7 49070

= 140

There are 3 penguins in New Zealand for every 5 penguins in Peru. If there is a total of 656 penguins in both New Zealand and Peru, how many are in each country?82

82

82

82

82

82

82

82

= 656

= 246

8 65682

= 410

The ratio of desert land mass in Mongolia to Russia is 2 to 7. If there is a total of 36 sq. ft. of desert in both countries, how

many are in each?mongolia russia total2 7 9

36

×𝟒

288

×𝟒×𝟒

9 364

The ratio of televisions in the United States to Canada is 7 to 4.

If there is a total of 363 televisions in both countries, how

many are in each?u.s. canada total7 4 11

363

×𝟑𝟑

132231

×𝟑𝟑×𝟑𝟑

11 36333

= 408 8 8 8 88 8 8 = 24

648

864 888

4024

If the problem had said the ratio was 5:3 with a total of 64 monsters chasing after him, we

can work backwards to find the total of each

monster!

= 408 8 8 8 88 8 8 = 24

648

864 888

4024

Let’s make a ratio table

expressing this problem!

ZOMBIE WERE-WOLF TOTAL

5 3 864×𝟖×𝟖×𝟖

2440