← All Standards

Grade 1

• Geometry

  • 1.G.1

• Numbers & Operations: Base Ten

  • 1.NBT.1
  • 1.NBT.2
  • 1.NBT.4
  • 1.NBT.5
  • 1.NBT.6

• Operations & Algebraic Thinking

  • 1.OA.1
  • 1.OA.2
  • 1.OA.3
  • 1.OA.4
  • 1.OA.5
  • 1.OA.6
  • 1.OA.7
  • 1.OA.8

CCSS Math Standard: 1.G.1

distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes

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

Grouping Quadrilaterals In A Hierarchy

Can we classify quadrilaterals like we classify living things?

Gr 1-5