← 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.13.c

Demonstrate that in adding two-digit numbers, tens are added to tens, ones are added to ones, and sometimes it is necessary to compose a ten.

Spring Math Worksheets: Addition and Subtraction

Four sets of 2-digit and 3-digit addition and subtraction practice. But the unknown isn’t where you expect it to be!