Ratio

What is the ratio of sharks to fish?

• 2 to 10

• 2 to 8

• 8 to 2

What is the ratio of fish to sharks?

• 8:2

• 10:2

• 2:8

What is ratio of blue to orange

• 3/2

• 3/5

• 2/3

What is the ratio of circles to triangles?

• 2 to 4

• 3 to 4

• 1 to 3

What is the ratio of red to green shapes?

• 4 to 3

• 3 to 1

• 4 to 7

What is the ratio of circles to squares?

• 0:5

• 5:0

• 5

What mathematical operation do ratios involve?

• multiplication $\times$

• subtraction $-$

• division $\div$

When are ratios useful?

• When you want to compare a part of something to a whole.

• When you want to divide 2 numbers.

• When you're doing chores.

What 3 ways can you write a ratio?

• $1\ to\ 4$ Using the word "to"

• $1:4$ Colon

• fraction $\frac{1}{4}$

• $1\ -\ 4$ Dash

I have a total of 5 animals. 3 of them are dogs. 2 of them are cats. What is the cat to dog ratio?

(a)