← All Standards

Grade 2

• Geometry

  • 2.G.A.1
  • 2.G.A.2
  • 2.G.A.3

• Measurement & Data

  • 2.MD.A.1
  • 2.MD.A.2
  • 2.MD.A.3
  • 2.MD.A.4
  • 2.MD.B.6
  • 2.MD.C.8
  • 2.MD.D.9
  • 2.MD.D.10

• Number & Operations: Base Ten

  • 2.NBT.A.1
  • 2.NBT.A.1.a
  • 2.NBT.A.1.b
  • 2.NBT.A.2
  • 2.NBT.A.3
  • 2.NBT.A.4
  • 2.NBT.B.5
  • 2.NBT.B.6
  • 2.NBT.B.7
  • 2.NBT.B.8
  • 2.NBT.B.9

• Operations & Algebraic Thinking

  • 2.OA.A.1
  • 2.OA.B.2
  • 2.OA.C.3
  • 2.OA.C.4

Arizona Math Standard: 2.OA.C.3

Determine whether a group of objects (up to 20) has an odd or even number of members (e.g., by pairing objects or counting them by 2’s).

Crossing Every Bridge Exactly Once (aka Eulerian Paths)

How can you cross each bridge in this city exactly once?

Gr 2-4

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

How Many Will There Be? Courtyard

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

Gr 2-6

How Many Will There Be? Checkerboard

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

How Many Will There Be? Squares in Squares

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

Gr 2-5

Fizz Buzz: A Counting and Divisibility Game

Ready for a tricky counting and divisibility game?

Gr 1-4

How Many Will There Be? Sliced Circles

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

Gr 1-5

How Many Will There Be? Stairs

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

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

How Many Ways: 2 Digit ÷ 1 Digit = 1 Digit

How many different ways can you make this math statement true using only the digits one through nine?

Gr 2-6

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

Math Curiosity: Twin Primes

What do you call two prime numbers who are very close together?

Gr 3-4

Math Curiosity: Palindromic Number Conjecture

Using this one weird trick, it seems that you can turn any number into a palindrome!

Gr 1-5