Geometric Transformations with Coordinates

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Objective

I can predict the new coordinates of a shape after it has been dilated, translated, rotated, or reflected on a coordinate plane.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Explain the rule for reflecting a point across the x-axis. What changes and what stays the same?

2

What are the new coordinates of the point (4, -2) after it is reflected across the y-axis?

Part 3 of 3

Exit ticket

Quick comprehension check

Point A has coordinates (5, -3). What are the coordinates of A' after reflecting point A across the x-axis? Point B has coordinates (-2, 7). What are the coordinates of B' after reflecting point B across the y-axis?

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

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