← All Standards

Grade 1

• Geometry

  • 1.G.A.1
  • 1.G.A.2
  • 1.G.A.3

• Measurement & Data

  • 1.MD.A.1
  • 1.MD.A.2
  • 1.MD.B.3.b
  • 1.MD.C.4

• Number & Operations: Base Ten

  • 1.NBT.A.1
  • 1.NBT.B.2
  • 1.NBT.B.2.a
  • 1.NBT.B.2.b
  • 1.NBT.B.2.c
  • 1.NBT.B.3
  • 1.NBT.C.4
  • 1.NBT.C.5
  • 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.

Gr 1, 2, 6

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!

Gr 1-4

Math Curiosity: Magic Triangles

Can you make each side of this triangle add up to 9 using the digits 1-6?

Gr 1, 2, 3, 4, 8

How Many Will There Be? Earthworm

Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.

Gr 3-5

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!

Gr 1-5

Math Curiosity: Goldbach’s Conjecture

Can any even number be written as the sum of two primes? Goldbach thought so, but we haven’t proven it… yet!

Gr 1-5

Math Curiosity: Magic Squares

Imagine a 3×3 square in which every row, column, and diagonal have the same sum. That’s a magic square!

Gr 1, 2, 3, 4, 7

Math Curiosity: Odds & Squares

Why does the sum of the first 5 odds also equal 5 squared?

Gr 1, 2, 3, 4, 6

Math Curiosity: Waring’s Conjecture

So, can you write every odd (greater than 3) as the sum of three primes?

Gr 1-5