2-2: Determine Unit Rates with Ratios of Fractions

What is a ratio

• A long decimal number

• The set of whole numbers

• A multiplication problem

• A comparison of two quantities or amounts

Tags

CCSS.7.RP.A.2

What is a rate?

• Only a negative fraction

• Only an integer

• A comparison of two amounts or quantities measured in different units

• A comparison of two amounts or quantities using the same units

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

What is a unit rate?

• Only a positive fraction

• All the negative and positive whole numbers and zero

• All the positive and negative decimal numbers

• A ratio of two amounts measured in different units in terms of one item

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

What is a complex fraction?

• A really hard fraction to figure out 
• A fraction with a fraction in the numerator, denominator, or both 
• A fraction multiplied by a decimal
• A fraction with an exponent 

Tags

CCSS.7.RP.A.1

If a dog can eat 1/3 of a bag of food in 1/2 week, how many bags of food can the dog eat in 1 week?

• 1/6
• 2/3
• 3/2
• 5/6

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Simplify (Solve) the complex fraction shown.

• 9/40

• 40/9

• 10/36

• 5/18

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Sasha can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does Sasha mow per hour?

• 2 acres per hour

• 1/2 acres per hour

• 9/24 acres per hour

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.1

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.7.RP.A.1

It snowed 14 inches in 5 hours. What is the unit rate?

• 3 inches per hour

• 1.5 inches per hour

• 5 inches per hour

• 2.8 inches per hour

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2