Equivalent Rates and Ratios

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

In a bouquet of​ flowers, there are 7 daisies and 19 roses. Write the ratio of daisies to roses in three different ways.

• 19 to 7, 19:7, 19/7
• 19 to 7, 7:19, 7/19
• 7 to 19, 7:19, 7/19
• 7 to 19, 19:7, 19/7

Which ratio is written incorrectly?

• X : Y
• X and Y
• X/Y
• X to Y

Which represents the relationship of oranges to total fruit?

• 2:6
• 2:4
• 4:6
• 4:2

Simplify the ratio of
20 to 25

• 1 to 5
• 2 to 5
• 3 to 5
• 4 to 5

There are 4 triangles, 12 squares, and 6 circles.  What is the ratio of triangles to squares? Simplify.

• 12 : 4
• 2 to 6
• 1 : 3

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

If it took 7 hours to mow 4 lawns, then at that rate how many lawns can be mowed in 35 hours? 

• 8 lawns in 35 hours
• 12 lawns in 35 hours
• 16 lawns in 35 hours
• 20 lawns in 35 hours

Which statement best describes what a ratio is.

• A number
• A comparison of two quantities using division.
• A comparison
• A comparison of many things.