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Grade 10 Math Starter Lesson: Rigid Transformations

Last updated almost 2 years ago

7 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

In this lesson, you will learn about the three rigid transformations and perform and identify transformations in the coordinate plane.

Essential Question: How can you change a figure’s position without changing its size and shape?

Akwankyerɛ

In this lesson, you will learn about the three rigid transformations and perform and identify transformations in the coordinate plane.

Essential Question: How can you change a figure’s position without changing its size and shape?

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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Categorize each transformation from polygon A to polygon B as a rigid transformation or a non-rigid transformation.

Rigid Transformation
Non-rigid Transformation

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Draw the stop sign after a horizontal reflection.

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

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Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Graph point A', B', C', and D' after quadrilateral ABCD has been rotated 90 \degree clockwise. (y, -x)

Akwankyerɛ

Klik Graph tab (Graph 1, Graph 2, ne nea ɛkeka ho) so ma graph biara a ɛsɛ sɛ wobɔ.
Klik graph no akyi na fa asɛm bi ka ho. Twe asɛm bi anaa kyerɛw x ne y coordinates na sesa ne gyinabea. Klik asɛm bi so na popa.

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

Which best represents the coordinate pair (x, y) after a 90 \degree clockwise rotation around the origin?

(y, x)

(-x, -y)

(-y, x)

(y, -x)

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Asemmisa {{asɛmmisaAhyɛnsode}}

6.

Select a sequence of transformations that will map key K to keyhole K'. Order is not important.

Reflection across y-axis

Rotation 90 \degree clockwise around the origin

Rotation 90 \degree counterclockwise

around the origin

Translate 12 units right

Translate 12 units up

Translate 2 units down

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

Answer the Essential Question: How can you change a figure’s position without changing its size and shape?