← All Standards

Grade 1

• Measurement & Data

  • 1.MD.C.4

• Number & Operations: Base Ten

  • 1.NBT.C.4
  • 1.NBT.C.6

• Operations & Algebraic Thinking

  • 1.OA.A.1
  • 1.OA.A.2
  • 1.OA.B.3
  • 1.OA.B.4
  • 1.OA.C.5
  • 1.OA.C.6
  • 1.OA.D.7
  • 1.OA.D.8

Arizona Math Standard: 1.OA.A.2

Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20 (e.g., by using objects, drawings, and/or equations with a symbol for the unknown number to represent the problem).

Adding and Subtracting Fruit

Use super cute fruit to introduce algebraic thinking to your young math students.

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!

Game: Number Scrabble

What if we played Tic-Tac-Toe with numbers and instead of three-in-a-row, we add up to 15? Well… then we’d have Number Scrabble!