Equivalent Ratio

If I have the following ratio, do I need to scale up or down?
1                 2
---  =         ----
3               ?

• up (multiply)
• down (divide)

What is the ratio to the picture shown, triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Is the following ratio part to part or part to whole?
5 out of 23 kids in a class play trumpet

• Part to part
• Part to whole

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players?

• 1 to 2
• 1 to 3
• 2 to 1
• 3 to 1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5
• 5 to 3
• 3 to 5
• 5 to 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18
• 3:2
• 30:18
• 18:7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In the equivalent ratios below, what did we multiply by to get the ratio on the bottom?

9 : 4

45 : 20

• 6

• 5

• 8

• 3

In these two equivalent ratios below, what did we multiply by to get from the top to the bottom??

2 : 5

8 : 20

• 4

• 3

• 2

• 5

Tags

NC.6.RP.1

What number should go in the blank to make the ratios equivalent?

1 : 5

_?_ : 20

• 4

• 5

• 3

Tags

CCSS.6.RP.A.3A

18 vocab words learned in 2 hours; 27 vocab words learned in 3 hours

• yes, equivalent
• no, not equivalent

Tags

CCSS.7.RP.A.2A