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Grade 4

• Strand 2

  • 4.2.A
  • 4.2.B
  • 4.2.C
  • 4.2.D
  • 4.2.E
  • 4.2.F
  • 4.2.G
  • 4.2.H

• Strand 3

  • 4.3.A
  • 4.3.B
  • 4.3.C
  • 4.3.D
  • 4.3.E
  • 4.3.F
  • 4.3.G

• Strand 4

  • 4.4.A
  • 4.4.B
  • 4.4.C
  • 4.4.D
  • 4.4.E
  • 4.4.F
  • 4.4.G
  • 4.4.H

• Strand 5

  • 4.5.A
  • 4.5.B
  • 4.5.C
  • 4.5.D

• Strand 6

  • 4.6.A
  • 4.6.B
  • 4.6.C
  • 4.6.D

• Strand 7

  • 4.7.A
  • 4.7.B
  • 4.7.C
  • 4.7.D
  • 4.7.E

• Strand 8

  • 4.8.A
  • 4.8.B
  • 4.8.C

• Strand 9

  • 4.9.A
  • 4.9.B

• Strand 10

  • 4.10.A
  • 4.10.B
  • 4.10.C
  • 4.10.D
  • 4.10.E

TEKS Math Standard: 4.6.A

identify points, lines, line segments, rays, angles, and perpendicular and parallel lines

Grouping Shapes by Parallel and Perpendicular Sides

Which shapes go together based on parallel and perpendicular lines?

Geometry Image: Esplanade Theaters

What odd and interesting shapes can your students find in this geometric image?

Geometry Image: Skytree

What odd and interesting shapes can your students find in this geometric image?

Geometry Image: Steigerwald

What odd and interesting shapes can your students find in this geometric image?

Lines, Line Segments, Rays, and Infinity!

A lesson about lines, line segments, and rays that avoids dull memorization. Instead, we ponder this delightful question: Which is longer, a ray or a line? Then, kids consider what these different geometric concepts would think about each other.

Fractals: Koch Snowflake

You could keep zooming in on this snowflake forever!