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MA.8.GR.2.3 · Geometric Reasoning

Transformations on the Coordinate Plane: Sample FAST Questions

Applying a transformation with coordinates is the largest geometry benchmark in 8th grade: translations shift points, reflections flip them across an axis or a line parallel to one, rotations turn them about the origin, and dilations scale them from the origin.

How the FAST tests this benchmark

This benchmark is the most graphic response heavy on the grade 8 FAST, with students plotting an image on a coordinate grid, alongside equation editor items for image coordinates. Reflections stay on the axes or lines parallel to them, rotations are 90, 180, 270, or 360 degrees about the origin, and dilations are centered at the origin.

Skills students need

  • Apply translation rules to coordinates
  • Reflect a figure across the x-axis, the y-axis, or a parallel line
  • Rotate a figure 90, 180, or 270 degrees about the origin
  • Dilate a figure centered at the origin

Try 6 real MA.8.GR.2.3 questions

These come straight from Algebro's 8th grade pre-algebra question bank, easiest first. Answer one, check it, then move to the next.

Question 1 of 6

Answer it and Algebro checks it instantly

Question 1EasyMultiple Choice
A dilation centered at the origin has scale factor k=14k = \frac{1}{4}. What is the effect of the dilation?

Showcase extra: the real practice and quiz players do not have this button.

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More 8th grade geometric reasoning benchmarks

MA.8.GR.2.4

Similar Triangles in Real-World Problems

MA.8.GR.1.1

The Pythagorean Theorem and Missing Side Lengths

MA.8.GR.1.2

Distance Between Two Points on the Coordinate Plane

MA.8.GR.2.3: Coordinate Transformations Practice | Algebro