Exploring Ratios and Unit Rates

What is the main topic of the lessons for the next few days?

• Geometry

• Algebra

• Rates, Ratios, and Proportions

• Calculus

Tags

CCSS.6.G.A.1

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

How can the ratio of a to b be written?

• a : b or a/b

• a - b

• a + b

• a * b

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What does it mean when two ratios are equivalent?

• They are both greater than zero

• They represent the same comparison

• They are both less than zero

• They are both equal to one

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

What is a proportion?

• A statement that two ratios are equivalent

• A comparison of three quantities

• A type of fraction

• A type of equation

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

In the example given, what is the ratio of bones in a human's ear to bones in the skull?

• 3 to 11

• 11 to 3

• 3 to 22

• 22 to 3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

How many bones are in the ears if there are 22 bones in the skull?

• 22

• 11

• 6

• 3

Tags

CCSS.K.CC.B.4

CCSS.K.CC.B.5

What is a rate?

• A type of equation

• A type of fraction

• A comparison of two quantities with different units

• A comparison of two quantities with the same units

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

What is a unit rate?

• A rate with both quantities as one unit

• A rate with the second quantity as one unit

• A rate with no units

• A rate with the first quantity as one unit

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

How many times did Ralph Law of Germany flip a pancake in 120 seconds?

• 416 times

• 120 times

• 34 times

• 17 times

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.3

CCSS.7.RP.A.1

What is the unit rate of Ralph Law's pancake flipping, rounded to the nearest hundredth?

• 3.46 times per second

• 3.47 times per second

• 4.16 times per second

• 4.17 times per second

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3