“Everything is so linear, but this makes me think diagonally!” ~ a student describing Byrdseed.TV

← All Standards

Grade 8

  • Strand 2

  • Strand 3

  • Strand 4

  • Strand 5

    • 8.5.D
  • Strand 6

  • Strand 7

  • Strand 8

  • Strand 9

  • Strand 10

  • Strand 11

  • Strand 12

TEKS Math Standard: 8.8.D

use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles

The Angles of a Triangle

The Angles of a Triangle

Why tell a kid the rules of a triangle when they can discover them!?