M13-L1 Reflections

M1-L7

Understand Rates and Unit rates

Module 1 – Ratio and Rates

هتاكربو الله ةمحرو مكيلع ملاسلا

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Engage and Explore

15 min

Explain & Elaborate

20 min

.

Evaluate
10 min

Today

’

s Lesson:

5 min

Engage and Explore

Alef
108

Learning Objective:
To reflect figures across Horizontal, vertical and Diagonal lines on

Coordinate plane.

Keywords:
Reflection
Pre-Image
Image
Diagonal Line

M13-L1 Reflections

​3-5 min

Pre-Assessment:

Multiple Choice

What color is the x-axis?

• blue

• black

• white

• red

Multiple Choice

What color is the y-axis?

• red

• black

• green

• white

Multiple Choice

Which answer shows a reflection across the x-axis?

• d

• c

• a

• b

Multiple Choice

State the line of reflection.

• Reflection across y-axis

• Reflection across x-axis

• Reflection across x = 1

• Reflection across y = 1

Multiple Choice

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

• None

• Both

Poll

Time for Feedback :

Ready for the next Level:

Explain & Elaborate

25 min

.

What are the coordinates of the vertices
of the reflected triangle X'Y'Z‘’?

X’( , 4)
Y’( , )
Z’(5, )

Multiple Choice

If you reflect point (-2,7) over the y-axis, what is its image point?

• (2,7)

• (2,-7)

• (-2,-7)

• (7,-2)

Reflect quadrilateral WXYZ across the line y=x.

What are the coordinates of W'X'Y'Z' ?

Please Solve the Worksheet

15 min

Evaluate

Exit- Ticket

10 min

Multiple Choice

If (12,-7) is reflected over the X-Axis what would it be

• (-12,7)

• (12,7)

• (12,-7)

• (-12,-7)

Multiple Choice

If (6,4) is reflected over the Y-Axis what would it be

• (6,4)

• (-6,-4)

• (6,-4)

• (-6,4)

Multiple Choice

What is the answer when reflected over the    X-AxisA(3,2), B(4,4), C(1,3)

• A(-3,2), B(-4,-4), C(1,3)

• A(3,-2), B(4,-4), C(1,-3)

• A(-3,-2), B(-4,-4), C(-1,-3)

• A( 3,2), B(4,4), C(1,3) 

Multiple Choice

What is the answer when reflected over the   Y-Axis A(-4,2), B(-2,4), C( -1,1)

• A(4,2), B(2,4), C(1,1)

• A(-4,-2), B(2,-4), C(-1,-1)

• A(4,-2), B(2,4), C(-1,-1)

• A(-4,-2), B(-2,-4), C(1,1)

Open Alef lesson 108