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Ratios and vocab
Unit Rate
Proportional Relationships
Solving Proportions
Word Problems
100
Write 6 girls to 8 boys as a ratio in 3 ways.
6/8, 6 to 8, 6:8
100

If Mimi drives 50 miles in 2 hours, what is her unit rate?

25 miles per hour

100

2/3 and 4/6

Are the ratios equivalent? Show proof.

Yes. Cross products: 2 x 6 = 12, 3 x 4 = 12

Jump is times 2. 2 x 2 is 4, 3 x 2 is 6

100

Solve for x. 

x/6 = 6/9

x = 4

100
Anna earns $12 in 3 hours. How much does she make in 5 hours?
What is $20
200

A unit rate is a ratio with a denominator of ____.

1

200

If James types 120 words in 3 minutes, what is his rate of typing?

40 words per minute

200

Do the tables show a proportional relationship? (see Google Slide 83)

only table B

200

Solve for a. 

a/2 = 9/6

 a = 3

200
Ramon gets 10 points in 4 games. How many does he get in 6 games?
What is 15 points
300
To solve a proportion we use the method: cross ______ and ______.

multiply and divide

300

If 10 bags of Hot Cheetos cost $3.50, then how much does 1 bag cost?

$0.35 per bag

300

What is the unit rate for this table? (see Google Slide slide  90)

2 gallons per minute
300

Solve for g. 

g/6 = 15/10

g = 9

300

Henry reads 8 pages in 6 minutes, then he reads 4 pages in how many minutes?

What is 3 minutes

400

True or False. The constant of proportionality is directly related to the unit rate.

TRUE

400

Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts? Prove your answer using unit rates.

$24 for 8 t-shirts (rate of $3 per shirt) instead of $4 per shirt

400

What is the constant of proportionality of the proportional relationship in the table? (see Google Slide slide 79)

4

400

Solve for x. 

2/10 = 18/x

x = 90

400
Julia texts 60 words in 4 minutes, then she texts 45 words in how many minutes?
What is 3 minutes
500

What is the better buy? 6 bananas for $2.49? or 12 bananas for $5.32?

**6 bananas for $2.49**
$0.42 per banana

12 bananas for $5.32
$0.44 per banana.

500

Write an equation for the proportional relationship in the table (see Google Slides slide 79)

y = 4x

500
Ms. Curtis students 25 hours for 2 tests, and studies 100 hours for how many tests?
What is 8 tests.