← All Standards

Grade 1

• Numbers & Operations: Base Ten

  • 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.OA.3

apply properties of operations as strategies to add and subtract (e.g., If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known; to add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12)