Coordinate Grid

Presentation

•

Mathematics

•

6th - 8th Grade

•

Hard

Joseph Anderson

FREE Resource

3 Slides • 10 Questions

Congruent Shapes: Reflection on a Coordinate Grid

I already know X-axis and Y-axis lines
I know that the opposite of positive is negative.
I know that the opposite of negative is positive.

Now we put that knowledge to work on a coordinate plane.

You reflect over the X-axis or over the Y-axis.

If you reflect over the X-axis
--The X number stays the same
--The Y number becomes the opposite (Positive <---> Negative)

What do you think happens if you reflect over the Y-axis?
---The Y number __________
---The X number __________

Multiple Choice

State the line of reflection.

Reflection across

Y-axis

Reflection across

X-axis

Multiple Choice

Flipping a figures is a ...

Rotation

Reflection

Dilation

Translation

Multiple Choice

Reflecting over the y-axis CHANGES the ____-_____________.

Y-coordinate number

X-coordinate number

Multiple Choice

Which point is the image of point B(-2, 4) reflected over the x-axis?

(2, 4)

(2, -4)

(-2, -4)

(-2, 4)

Multiple Choice

Triangle GHI is reflected across the x-axis. What are the coordinates of I'?

(-2, 6)

(2, 6)

(-6, -2)

(6, 2)

Multiple Choice

When reflecting over the x-axis, which coordinate stays the same?

x-coordinate

y-coordinate

Both coordinates stay the same

Both coordinates change

Multiple Choice

Reflecting over the y-axis CHANGES the ____-_____________.

y-coordinate

x-coordinate

Multiple Choice

Reflections over the x-axis change the ____-__________.

y-coordinate

x-coordinate

Multiple Choice

When reflecting over the y-axis, which coordinate stays the same?

x-coordinate

y-coordinate

Both coordinates stay the same

Both coordinates chage

Multiple Choice

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

y-axis

x-axis

Congruent Shapes: Reflection on a Coordinate Grid

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Coordinate Grid

​I already know X-axis and Y-axis linesI know that the opposite of positive is negative.I know that the opposite of negative is positive.Now we put that knowledge to work on a coordinate plane.

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

I already know X-axis and Y-axis lines
I know that the opposite of positive is negative.
I know that the opposite of negative is positive.

Now we put that knowledge to work on a coordinate plane.