Ratios, Rates, Units

What is a Ratio?

• It's a comparison of two quantities

• Multiplying two fractions

• A number over another number

• Two decimals that can be multiplied

Tell if the ratio is part-to-part or part-to-whole.
4 apples to 3 oranges

• Part-to-Part
• Part-to-Whole

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Tell if the ratio is part-to-part or part-to-whole.
10 questions : 3 incorrect

• Part-to-Part
• Part-to-Whole

Tags

CCSS.6.RP.A.1

CCSS.6.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.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Elijah earned $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

Sargento cheese slices $2.48 for 10 slices

or

Velveeta Cheese slices $3.18 for 12 slices

Find the unit price for each and choose the better deal. (Hint: The better deal will be the smallest number or cheapest price)

• Sargento

• Velveeta

At the market, 7 apples cost $4.55. What is the cost per apple?

• 1.54 apples per dollar
• 1.54 dollars per apple
• $0.65 per apple
• not here

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Ken can walk 40 dogs in 8 hours. Determine how many dogs he can walk in one hour.

• 5 hours per dog
• 5 dogs per hour
• 320 dogs per hour
• not here

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Alicia drove at a constant speed and traveled 182.4 miles in 3 hours. What is her rate in miles per hour?

• 60.8 hours per mile
• 547.2 miles per hour
• 56 miles per hour
• 60.8 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How are rates and unit rates different?

• A rate has a denominator of 1.  A unit rate does not.
• A rate is just like a fraction.  A unit rate is a ratio.
• Rates involve a measurement of time, but unit rates do not.
• A rate compares two different quantities.  A unit rate has a denominator of 1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2