6th Grade Ratio Review

6th Grade Ratio Review

...and Quizzizz Introduction

Ratio is a comparison of two or more quantities.

2 blue to 3 blue
2 blue : 3 blue

 $\frac{2\ blue}{3\ red}$ 

Open Ended

Write a ratio for two or more of these crew members.

What is the ratio of apples to pears?

Order Matters:

6 apples to 3 pears

6 : 3

(3 pears to 6 apples is incorrect!)

Multiple Choice

What is the ratio of pineapple to strawberries?

• 6 strawberry to 4 pineapple

• 4 pineapple : 6 strawberry

• 6 S : 4 P

• $\frac{6\ strawberry}{4\ pineapple}$

Ratios represent relationships and can be reduced or enlarged.

• Divide to reduce: 6 dogs to 4 cats = 3 dogs to 2 cats 

• Multiply to enlarge:  $\frac{4\ salmon}{1\ eagle}=\frac{12\ salmon}{4\ eagles}$  

Multiple Choice

Which group of fruit shows a ratio of

 $\frac{2\ apples}{1\ banana}$  ?

Unit Rates

are comparison of two measures and the second measurement is 1 (per/each)

Fill in the Blank

Mrs. Fondale traveled from Kent to Moses Lake, 175 miles, in 2.8 hours.

What was Mrs. Fondale's rate of speed in miles per hour?

Answer: ____miles per hour

Fill in the Blank

After working out, I record 42 heart beats in 15 seconds, what is my beats per minute?

Answer:___ beats per minute

Poll

Which option at my locally grocery store is the best value?

1 kg for $3

2 kg for $4

4 kg for $6

10 kg for $14

Be prepared to defend your choice!

• 1 kg package

• 2 kg package

• 4 kg package

• 10 kg package

Advanced Problem Solving

To demonstrate your knowledge, we ask you to perform multi-step ratio problems.

Just Breath.

Break them into individual tasks & solve.

Multiple Choice

Mr. Lai changes 7 diapers in 14 hours. At this rate, how many diapers will he change in 48 hours? What is his rate of diapers per hour?

Be prepared to explain your answer!

• 96 diapers; 2 diapers per hour

• 24 diapers; 0.5 diapers per hour