Ratios & Equivalents

RATIOS & EQUIVALENTS

WHAT IS A RATIO?

▪ A ratio shows a relationship between different amounts.

▪ Baking

▪ Candy Bags

▪ Cleaning (1part bleach to 10 parts water)

​https://www.youtube.com/watch?v=rgYqXUzopKM

EXAMPLES

We have 5 apples and 3
oranges what is the ratio of
apples to oranges?

• 5to3

• 5:3

Ian has 7 cars and 4
motorcycles what is the ratio
of motorcycles to cars?

• 4to7

• 4:7

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PRACTICE

▪ There are 10 girls and 7 boys in a classroom, what is the

ratio of boys to girls?

▪ There are 4 starburst and 2 hersheys, what is the ratio of starburst to hersheys?

Poll

What is your favorite starburst flavor?

• Lemon

• Cherry

• Orange

• Strawberry

Multiple Choice

What is an equivalent ratio of 6to4?

• 2:3
• 4:6
• 5:3
• 3:2

Multiple Choice

What is the equivalent ratio of 3:5?

• 4:7
• 2:3
• 5:8
• 6:10

Multiple Select

What are the equivalent ratio of 10:5?

• 40:20

• 5:1

• 5:2

• 2:1