Ratios and Setting Up Proportions

Determine whether this pair of ratios forms a proportion. 7/3, 14/6

• yes

• no

Tags

CCSS.7.RP.A.2A

• 3
• 5.3
• 1.08
• 27

Tags

CCSS.7.RP.A.2B

• 27
• 12
• 1.333
• 3.67

Tags

CCSS.7.RP.A.3

Question:

• 14

• 7

• 2

• 112

A recipe for fruit salad includes 1/3 cup of grapes for 4 servings. How many cups of grapes are needed for 30 servings of this fruit salad?

Set up the proportion box based on the given labels.

d

e

f

g

4

26

30

34

x

1/3

100

Tags

CCSS.7.RP.A.2C

An engineer created a scale drawing of a building using a scale in which 0.25 inch represents 2 feet. The length of the actual building is 250 feet. What is the length in inches of the building in the scale drawing? Set up the proportion box based on the given labels.

e

f

g

d

250

25

x

0.25

1.75

20

100

2

Tags

CCSS.7.RP.A.2C

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.3

Set up this proportion: Vito uses 9 liters of water to water 24 flower pots. He is wondering how many liters of water (w), it would take to water 40 flower pots. He assumes he'll use the same amount of water on each pot.

Tags

CCSS.7.RP.A.2C

For finding out ratio of two quantities, both should be expressed in the _​ (a)   Unit

• Same

• Different

• Equal

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion

• x = -1/3

• x = 1/3

• x = -3/4

• x = 3/4

Tags

CCSS.7.EE.B.3