← All Standards

Grade 1

• Strand 1

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

• Strand 2

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

• Strand 3

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

• Strand 4

  • 1.4.A
  • 1.4.B
  • 1.4.C

• Strand 5

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

• Strand 6

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

• Strand 7

  • 1.7.A
  • 1.7.B
  • 1.7.C
  • 1.7.D
  • 1.7.E

• Strand 8

  • 1.8.A
  • 1.8.B
  • 1.8.C

• Strand 9

  • 1.9.A
  • 1.9.B
  • 1.9.C
  • 1.9.D

TEKS Math Standard: 1.7.B

illustrate that the length of an object is the number of same-size units of length that, when laid end-to-end with no gaps or overlaps, reach from one end of the object to the other

Mow A Lawn

How long would it take to mow a very large lawn with a push-mower?

Same Perimeter, Different Area For Rectangles

Can two rectangles have the same perimeter but… different areas!?

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.

Finding The Volume of Laptops

How has the volume of laptops changed over time? You know you want to check out how huge those first versions were!

Discovering Pi With Sticky Notes

Pi is mysterious and strange! Why not let students discover it on their own?

Exploring Circumference With Famous Circles

Let’s find how the diameter and circumference of famous circles are related.

How Many Students Can Fit On The Playground?

So… just how many kids could we cram onto the playground?