Ratios Quiz (5.1-5.5)

A pet store has a ratio of 5 birds for every 4 hamsters. Which combination of birds and hamsters could the pet store have?

• 15 birds and 12 hamsters

• 24 hamsters and 30 birds

• 35 birds and 24 hamsters

Walter is fencing in his backyard. For every 25 fence boards, he needs 3 metal posts. How many metal posts will he need for 200 boards?

• 24

• 16

• 8

• 18

Ariana is baking chocolate chip cookies for a bake sale. For every 3 cups of flour, she needs 2 cups of sugar. How many cups of sugar will she need if she has measured 18 cups of flour?

• 12

• 9

• 6

• 10

How many cups of M&Ms will you need if you're using 18 cups of Chex Mix?

Mathematical Equivalence

ON

Drag the values to complete the ratio table.

a

b

c

40

18

12

48

32

15

20

Determine if the ratios are equivalent or not.

Groups:

(a) Equivalent

,

(b) Not Equivalent

• 10:1 and 15:2

• 6:18 and 1:3

• 1:2 and 16:18

• 14:7 and 2:1

Which graph represents this ratio table?

• 
• 
• 

Which values represent X and Y?

• x= 14

  y= 29

• x= 12

  y= 32

• x= 32

  y= 12

• x= 29

  y= 14

Jack and Jill are saving for their first car. Jack saves $7 for every $10 Jill saves. If Jill has $350 in her account, then how much money has Jack saved?

Mathematical Equivalence

ON

A preschool has a student-to-teacher ratio of 5:2.  Which of the following ratios is equivalent to this ratio?

• 25 teachers to 10 students

• 10 students to 6 teachers

• 25 students to 10 teachers

• 15 students to 7 teachers