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Ratio & Proportion Challenge

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Ratio & Proportion Challenge

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Ratio and proportion practice

Created by

ellina
ellina
India

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Ratio & Proportion Challenge
 

Ratio & Proportion ChallengeOnline version

Ratio and proportion practice

by ellina
1

Slide 1: Problem 1 – Setup

Problem: Ratio apples : oranges is 3 : 5. If there are 15 apples, how many oranges?

Hint: Total parts = 3 + 5 = 8. Each part equals 15 ÷ 3 = 5. Oranges = 5 parts = 25.

2

Slide 2: Answer 1

Answer: There are 25 oranges.

3

Slide 3: Problem 2 – Setup

Problem: In a class, boys : girls = 4 : 7. If there are 28 boys, find the number of girls.

Hint: One part = 28 ÷ 4 = 7. Girls = 7 parts = 49.

4

Slide 4: Answer 2

Answer: There are 49 girls.

5

Slide 5: Problem 3 – Setup

Problem: Red : blue = 6 : 1. If there are 42 red balls, how many blue balls?

Hint: Each red part = 42 ÷ 6 = 7. Blue = 1 part = 7.

6

Slide 6: Answer 3

Answer: There are 7 blue balls.

7

Slide 7: Problem 4 – Setup

Problem: Length : breadth = 5 : 2. If the length is 20 cm, find the breadth.

Hint: One part = 20 ÷ 5 = 4. Breadth = 2 parts = 8 cm.

8

Slide 8: Answer 4

Answer: Breadth = 8 cm.

9

Slide 9: Problem 5 – Setup

Problem: Ravi : Aman = 3 : 4. If Ravi gets ₹120, how much does Aman get?

Hint: One part = 120 ÷ 3 = 40. Aman = 4 parts = 160.

10

Slide 10: Answer 5

Answer: Aman gets ₹160.
 
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