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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g, G Gpe, G Srt, G Co Is This a Rectangle?

For Teachers 9th - 10th Standards
For this task, students are given four sets of coordinate pairs and are asked to determine if they represent a rectangle. Aligns with 8.G.A, 8.G.B, G-CO.B, G-GPE.B, and G-SRT.B.5.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g a Rectangle in the Coordinate Plane

For Teachers 8th Standards
In this task, 8th graders are shown a picture of a quadrilateral on a coordinate grid and are asked to use the Pythagorean Theorem to find lengths and to explain why the quadrilateral is a rectangle. Aligns with 8.G.B.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Bird and Dog Race

For Teachers 8th
In this race between a bird and a dog, 8th graders are provided with information about their starting locations on a map and their speeds. They are asked to predict a winner, draw the paths they might follow, decide how to determine who...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Pythagorean Theorem in Mathematical Context

For Teachers 8th Standards
Eighth graders are shown a drawing of a rectangle with a central triangle bordered by three right triangles. They are asked to prove whether or not the middle triangle is also a right triangle. Aligns with 8.G.B.