5-Min Check

Find the perimeter and area of the shapes below.1

.

2.

3.

4 in

9 in

9.85 in

5 mm

12 mm

13 mm

5 cm 7 cm

10 cm

3.25 cm

OpenerFind the perimeter and area of the shapes below.

1.

4 in

9 in

9.85 in

perimeter area

26 in 36 𝑖𝑛2

OpenerFind the perimeter and area of the shapes below.

2.

5 mm

12 mm

13 mm

perimeter area

30mm 30𝑚𝑚2

OpenerFind the perimeter and area of the shapes below.

3. 5 cm 7 cm

10 cm

3.25 cm

perimeter area

22cm

Think / Record / Report

What is the difference between finding area for a rectangle and area for a triangle.

THINK RECORD REPORT

Key Vocab:

base height

Sentence Starter:

"The difference between..."

APK

• A Triangle has an area of 16cm squared. The base is twice the height. Find the measure of the base and the height. Explain your reasoning. Be prepared to share out.

Getting to know your textbook.

"WE DO" TIME

Problem

What do you find in the bottom left-hand corner of most pages (besides the page number)?

Problem

What is the section called that provides definitions of geometric terms? What page does it start on?

Problem

What color is the section heading for the "Selected Answers" section?

Problem

What section at the back of the book is color-coded brown?

On what page can you find information on congruent circles?

Problem

Describe what is on page 868.

.

You should know:

What is perimeter and areahow to calculate perimeter and area of rectangles, squares, and triangles

What you've learned:

The undefined terms

Undefined Terms

Essential Question

Learning Objective

Why are the undefined terms important in geometry?

I will identify and describe the undefined terms and use them to define other geometric objects.

Pair Share

• With a partner..• (Red) ….explain in your own words what collinear

means• (Blue)….explain what coplanar means• Together list the undefined terms in geometry.

Essential Question

Learning Objective

Why are the undefined terms important in geometry?

I will identify and describe the undefined terms and use them to define other geometric objects.

Closure

1. What are the three undefined terms?

2. Give an example of each one, based on the picture below.

HW

HW #1

Geometry Book p.51, 3-13, 27-39 (odd), & 46