Proportions and Unit Rate

A rate in which the second quantity in the comparison is one unit

• ratio

• unit rate

• rate

• proportion

Enter the missing numbers to create equivalent ratios. 
1 : 3
6 : 18
2 : _
4 : _

• 4 & 8

• 4 & 12

• 6 & 12

• 6 & 8

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

• 3 to 4
• 20 to 15
• 4 to 3
• 1 to 2

What is the unit rate?

• 20 loaves every 4 hours

• 32 loaves per hour

• 5 loaves per hour

• 320 loaves per hour

Is this table proportional?

• Yes

• No

What is the cost for 20 feet?

• $120

• $100

• $60

• $80

What is the unit rate?

• 30 miles every hour

• 45 miles every hour

• 60 miles every hour

• 90 miles every hour

Is this table proportional?

• Yes

• No

Is this graph proportional?

• Yes 

• No