Model Ratios
Writing Equivalent Ratios
Are the ratios equivalent?
Word Problems
100

How much is it for 1 hotdog?

$3.00

100

Write 3 more Equivalent Ratios:

1/4


2/8, 3/12, 4/16

100

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.

2/4 = 3/5

10 = 12

No!

100

A recipe requires 2 cups of milk for every 3 cups of flour. If you use 8 cups of milk, how many cups of flour do you need?

12

200

How much would it cost for 75 items?

$375

200

Write 3 more Equivalent Ratios:

2/9

4/18, 6/27, 8/36

200

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.

5/10 = 3/6

30 = 30

Yes!

200

For every $5 Carl spends on movies, he spends $15 on video games. Last month, he spent $60 on video games. How much did he spend on movies?

$20

300

Will I earn more or less than $150 if I work 12 hours? 

Less! In 12 hours, I make $144.

300

Are the fractions 2/4 and 10/12 equivalent?

NOOOO! 

300

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.

8/10 = 16/18

144 = 160 

No!

300

Keely went for a long swim. If she swam 12 miles in 3 hours, how far would she swim in 6 hours?

24

400

What is the greatest numbers of necklaces I can make with 75 beads?

21 necklaces!


1 necklace = 3.5 beads

21*3.5 = 73.5 beads
22*3.5 = 77 beads (NOT ENOUGH)

400

Write 3 more Equivalent Ratios:

9/13

18/26, 27/39, 36/52  

400

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.

13/14 = 39/42


Yes! They both can be 39/42

400

The ratio of students who like apple juice to grape juice is 4:3. If 30 kids in the class like grape juice, how many kids like apple juice?  

40

500

I can read 375 pages in 5 hours. Fill in the table




3 hours =  225 pages

5 hours = 375 pages

7.8 hours = 585 pages

10 hours = 750 pages

500

Write 3 more Equivalent Ratios:

24/36

12/18, 6/9, 2/3, 8/12, 4/6, 

500

Are the Ratios Equivalent?  

Show Evidence and write Yes or No.

8/32 = 2/8

Yes! They are both equal to 1/4

500

The ratio of students with straight hair to curly hair in the 7th grade is 4:5. If there are 52 students with straight hair, how many students are their total?

117

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