Ratios and Proportions

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 4/6

• 1/3

• 10/16

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

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

Solve the proportion:

• 4

• 8

• 14

• 10

Does the table represent a proportional relationship?

• Yes.

• No.

Proportional or Nonproportional?

• Proportional, Everytime I divide, I get the SAME answer

• Nonproportional - Everytime I divide, I get a DIFFERENT answer

A class is attended by 16 boys and 32 girls. Write the ratio of GIRLS to BOYS as a fraction in SIMPLEST FORM.

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion