STAAR Bootcamp Day 8: 2D Geometry

7th Grade Math: The Test that Shall not be Named Day 8

​2d Geometry

TEKS 7.9B I can calculate circumference and area of circles

TEKS 7.9C Determine area of composite figure

TEKS 7.11 C Write and Solve Geometric Equations

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Multiple Choice

What movie is this?

• The Starving Games

• The Hunger Games

• Catching Fire

• Mocking Jay

Area

• The number of square units needed to cover the surface of a closed figure

• Area of a rectangle: A = lw

• Expressed as units squared

Draw

mark in the base and height of the triangle

Multiple Choice

Which is the formula for the area of a triangle?

• A=basexheight

• A=base+height

• Area=base/2

• Area=basexheight/2

Draw

another way of writing the formula for a triangle is

Draw

Multiple Choice

what is the name of this animal

• calf

• bull

• kankaroo

• cow

Multiple Choice

what is the name of this animal

• cheetah

• tiger

• cat

• lion

Multiple Choice

what is the name of this animal

• chiken

• hen

• duck

• goose

(write)

Multiple Choice

What is circumference?

• space inside of a circle

• a set of points equidistant from one another

• distance around a circle

• crosses through the center point across a circle

Draw

DRAW TIME!

Can you Make a drawing with ONLY SHAPES???

Multiple Choice

Select the correct formula for finding area of a circle

• $$2\pi r$$  

• $$\pi r^2$$  

• $$\pi d$$  

• l x w

Multiple Choice

Find the area.

• $$6.28km^2$$  

• $$18.84yd^2$$  

• $$3.14yd^2$$  

• $$12.56km^2$$  

Multiple Choice

Find the area.

• $$200.96yd$$  

• $$50.24yd^2$$  

• $$200.96yd^2$$  

• $$74.16yd^2$$  

Multiple Choice

What is after Q on a keyboard?

• A

• B

• W

• U

• J

Poll

Which flavor of ICE CREAM do you like most?

• Chocolate

• Vanilla

• Mint

• Strawberry

• OTHER

Poll

what do you think chickens say?

• Chirp

• Caka-doodle-doo

• buk buk

• meow

8.1 Circumference of Circles

Circumference of a Circle

This image shows that circumference is the distance around the entire circle - the red lines length

Multiple Choice

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Multiple Choice

What is a straight line that goes through the center of a circle from side to opposite side?

• Diameter

• Circumference

• Radius

• Center

Poll

If you could go anywhere on a trip... which of these would you visit first?

• Bali

• Alaska

• Madrid

• Singapore

• Zambia

Poll

Which would be the most fun lesson to attend at Hogwarts?

• Charms

• Potions

• Defence Against the Dark Arts

• Care of Magical Creature

• Transfiguration

Composite Figures

Finding Areas of Weird Shapes

Multiple Choice

What is the area of this figure?

• 60 square inches

• 78 square inches

• 68 square inches

• 76 square inches

Multiple Choice

What is the area of the shaded region? Write your answer as a whole number or a decimal rounded to the nearest hundredth.

• 77 square inches

• 83 square inches

• 160 square inches

• 55 square inches

Open Ended

What are the shapes in this figure?

Multiple Choice

What is the area of the composite figure?

• $$210\ ft^2$$

• $$105\ ft^2$$

• $$206\ ft^2$$

• $$115\ ft^2$$

Angle Relationships

Multiple Choice

Never gonna give you up, never gonna let you down, _____

• Never gonna run around and desert you

• Never gonna make you cry

• Never gonna say goodbye

• Never gonna tell a lie, and hurt you

Multiple Choice

What is Rick Astley’s full name?

• Richard Paul Astley

• Paul Astley

• Lisa Astley

• Richard Astley

Multiple Choice

What is the last line in Never Gonna Give You Up?

• Never gonna run around

• Never gonna say goodbye

• Never gonna give you up

• Never gonna tell a lie, and hurt you

Multiple Choice

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD

Multiple Choice

How are these angles related?

• Vertrical

• Complementary

• Adjacent

• Supplementary

Multiple Choice

Find the m∠1

• 67

• 113

• 180

• 23

Multiple Choice

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25

• Complementary; x=5

• Supplementary; x=25

• Supplementary; x=5

Multiple Choice

Which equation could you use to solve for the value of x?

• 3x + 10 − 2x = 180

• 3x + 10 = 180

• 3x + 10 + 2x = 180

• 3x + 10 = 2x

Multiple Choice

If m∠1 = 30°, then m∠3 =

• 30°

• 60°

• 150°

• undetermined

Poll

CODE WORD ALERT

CIRCLES

• Click this

• No wait click this

• OOPS I meant click this

• What