← All Standards

Grade 1

• Data Analysis

  • 1.DA.A

• Number & Operations: Base Ten

  • 1.NBT.C
  • 1.NBT.C.13.c

• Operations & Algebraic Thinking

  • 1.OA.A
  • 1.OA.A.1
  • 1.OA.A.1.a
  • 1.OA.A.1.b
  • 1.OA.A.1.c
  • 1.OA.A.2
  • 1.OA.B
  • 1.OA.B.3
  • 1.OA.B.4
  • 1.OA.C
  • 1.OA.C.5
  • 1.OA.C.6
  • 1.OA.C.6.a
  • 1.OA.C.6.b
  • 1.OA.C.6.c
  • 1.OA.C.6.d
  • 1.OA.C.6.e
  • 1.OA.D
  • 1.OA.D.7
  • 1.OA.D.8
  • 1.OA.E.9

Alabama Math Standard: 1.NBT.C.14

Given a two-digit number, mentally find 10 more or 10 less than the number without having to count, and explain the reasoning used.