USING RATES, RATIOS, and PROPORTIONS

what operation is used with a ratio?

• addition

• multiplication

• division

• subtraction

What makes a "unit rate" unique from a normal "rate"?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which example is a unit rate?

• 6ft per 20 minutes

• 20 video games for $50.00

• 5 cards per pack

• 70 students per 5 classrooms

[31]

• 6 cans for $5.75

• 5 cans for $4.95

• they are equal

• these are not comparable.

just type the value of miles per minute (your answer should be a fraction)

Mathematical Equivalence

ON

Enter amount of quartz (per second)

Mathematical Equivalence

ON

Which is NOT a proportion?

why can't "b" and "d" be "0"?

Tags

CCSS.8.EE.C.7B

when variables are written next to other variables and constants like so: 2(x), a(b), cd, 5y, what operation is indicated?

• addition

• multiplication

• division

• subtraction

Find x by writing the cross products.

Mathematical Equivalence

ON