MON 3_22

Surface Area

Have pencil and paper out :)

You need to get 80% to get full credit on starters

Simplify

Order of simplifying:

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

Find the area

Look to your notes for your formulas!

Multiple Choice

What is the area of this circle?

• $14\pi$

• $784\pi$

• $28\pi$

• $196\pi$

Multiple Choice

What is the area of this shape?

(HINT: Break it up into two shapes -- you will have to add them to get the total)

• 200 units²

• 160 units²

• 100 units²

• 180 units²

Proportional relationships and ratios

Find two equivalent ratios for 3 dogs for every 1 cat:

6 dogs for every 2 cats (multiply each by 2)

30 dogs for every 10 cats (multiply each by 10)

Proportional relationships and ratios

Given there are 108 oreos and 36 students, how many oreos are there per student?

 $\frac{108\ oreos}{36\ students}=\ 108\div36\ =3\ oreos\ per\ student$  

Multiple Select

There are 7 bags of goldfish for every 3 bags of fruit snacks

Select all that are proportional ratios (there are 2 total)

• 14 bags of goldfish for every 6 bags of fruit snacks

• 7 bags of goldfish for every 7 bags of fruit snacks

• 70 bags of goldfish for every 50 bags of fruit snacks

• 35 bags of goldfish for every 15 bags of fruit snacks

Multiple Choice

In a bouquet of flowers there are 3 sunflowers for every 18 tulips.

How many tulips are there for every 1 sunflower?

• 18 tulips

• 6 tulips

• 1 tulip

• 3 tulips

• 54 tulips