Ratios and Proportions

What is a Ratio?

• A comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

What is the ratio of BLUE to YELLOW?

• 1:4

• 4:1

• 3:4

• 3:1

• 1:3

What is the ratio to the picture shown, triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

What is the ratio of BUTTERFLIES to SNAILS?

• 6:1

• 2:6

• 4:6

• 4:2

• 2:4

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

• 6/4
• 2/3
• 1/3
• 10/16

Solve for x:     6/12 = x / 6

• 36
• 2
• 12
• 3

Solve for x:   x/4 = 6/8

• 4
• 2
• 3
• 10

You earn $15 every 3 weeks. At this rate, how much will you earn in 5 weeks?

• $25
• $35
• $5
• $10

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

• 4/10
• 4/6
• 6/4
• 10/4

You drive 25 miles in one hour. At this rate, how far will you drive in 3 hours?

• 25 miles
• 50 miles
• 125 miles
• 75 miles