← All Standards

Grade 2

• Strand 1

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

• Strand 2

  • 2.2.A
  • 2.2.B
  • 2.2.C
  • 2.2.D
  • 2.2.E
  • 2.2.F

• Strand 3

  • 2.3.A
  • 2.3.B
  • 2.3.C
  • 2.3.D

• Strand 4

  • 2.4.A
  • 2.4.B
  • 2.4.C
  • 2.4.D

• Strand 5

  • 2.5.A
  • 2.5.B

• Strand 6

  • 2.6.A
  • 2.6.B

• Strand 7

  • 2.7.A
  • 2.7.B
  • 2.7.C

• Strand 8

  • 2.8.A
  • 2.8.B
  • 2.8.C
  • 2.8.D
  • 2.8.E

• Strand 9

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

• Strand 10

  • 2.10.A
  • 2.10.B
  • 2.10.C
  • 2.10.D

• Strand 11

  • 2.11.A
  • 2.11.B
  • 2.11.C
  • 2.11.D
  • 2.11.E
  • 2.11.F

TEKS Math Standard: 2.8.C

classify and sort polygons with 12 or fewer sides according to attributes, including identifying the number of sides and number of vertices

What’s In My Brain: H vs Arrow

Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?

Gr 1, 2, 3, 4, 5, 8

What’s In My Brain: Pentagon vs Pentagon

We’re looking at regular vs irregular polygons.

Gr 2-8

Grouping Shapes by Parallel and Perpendicular Sides

Which shapes go together based on parallel and perpendicular lines?

Gr 4

Letters With Symmetry

Let’s group letters by their symmetry, then create symmetrical words, and then symmetrical sentences!

Gr 4

Math Curiosity: Magic Triangles

Can you make each side of this triangle add up to 9 using the digits 1-6?

Gr 2-8

Geometry Image: Esplanade Theaters

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

Gr 3-5

Geometry Image: University Ave

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

Gr 3-5

Geometry Image: Victoria Conference Center

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

Gr 3-5

Geometry Image: Skytree

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

Gr 3-5

Geometry Image: Steigerwald

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

Gr 3-5

What’s In My Brain: Trapezoids or Not?

Which are trapezoids and which are not?

Gr 2-8

Grouping Quadrilaterals In A Hierarchy

Can we classify quadrilaterals like we classify living things?

Gr 1-5

Fractals: Koch Snowflake

You could keep zooming in on this snowflake forever!