Skills Challenge Q3CMIC 3

Methods Testing on BLOCK DAY

In room C245Skills Challenge Exam last 20

minutes.

Objectives

CO: SWBAT find the area and perimeter of geometric shapes, as well as be able to solve for an unknown variable. SWBAT factor quadratic equations.

LO: SWBAT explain their solutions using proper mathematical vocab.

Area and Perimeter

Area of triangle: Area of a circle:The radius is equal to half of the

diameter.Perimeter: The distance around a 2D

shape.

Area and Perimeter Examples

Find the perimeter and area of the triangle.

5 in.

10 in.8 in.

10 in.

Area and Perimeter Examples Find the area of the circle given the

diameter. Find the perimeter of the trapezoid.

5 in.

6 in.

10 in.

8 in. 8 in.

Solving for the unknown variable

Get the variable by itself.

To get x by itself do the opposite of what is happening to x.

What you do to one side, you have to do to the other.

Solving for the unknown variable

Solve for x Solve for x

Solving for the unknown variable

Solve for x Solve for L

Factoring

𝑎𝑥2+𝑏𝑥+𝑐b

2 numbers that add up to b, and multiply together to get

𝑎 ∙𝑐

Factoring Examples

Factoring Examples

Skills Challenge Practice