Similar shapes

Similarity
What? I will have the ability to identify similar shapes and compare the images.
Why? This is important because it is going to help me succeed in the up coming lesson.
How? I will know I have mastered this lesson by answering all the upcoming questions correctly, participate and explain my thinking.

Take 1 minute to SILENTLY think about how similarity may be different than congruent?

Discussion: Turn to your partner and answer the question. BE PREPARED TO SHARE YOUR PARTNERS THOUGHTS.

• Similar figures- Figures that have the same shape but different size. (think dilations!)

  • Corresponding angles are congruent.

  • Corresponding sides are in proportion.

  • The symbol in ~.

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​Vocab:

Multiple Choice

Similar or congruent?

• Similar

• Congruent

• No relationship

Multiple Choice

Similar or Congruent?

• No relationship

• Similar

• Congruent

Angles of similar shapes

No matter how much smaller or bigger a shape is the angles are ALWAYS going to be the same/ congruent.
DISCUSSION: Think back to angle placement. What is corresponding angles and what do we know about them? Talk to your partner, be prepared to share.

​Corresponding Angles are congruent.

Multiple Choice

What angle is congruent and corresponding to angle R.

• <LKJ

• <MNL

• <KLM

• <MLK

Multiple Choice

What angle is congruent and corresponding to angle M.

• <RSP

• <PQR

• <QPS

• <QRS

Sides that will be compared to each other:
1. JL ~ PN
2. KL ~ MN
3. JK ~ PM

Example

​Corresponding sides will be compared to each other

Sides of similar shapes

Multiple Choice

What line is corresponding with PQ?

• ML

• MG

• KL

• LM

Open Ended

What are two things that I will take away from today? Do I feel that have mastered my learning target today? How?