← 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.NBT.B.9

Explain why addition and subtraction strategies work, using place value and the properties of operations. (Explanations may be supported by drawings or objects.)

Gr 1-4

Gr 1-4

Adding and Subtracting Fruit

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

Gr 1, 2, 6

Contig

Roll three dice and combine them using any mathematical operation. But be strategic to maximize your points!

Gr 1-4

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? Chip Off The Block

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? 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

How Many Will There Be? Pyramids

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

Gr 2-4

How Many Will There Be? Xs and Os

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

Gr 1-7

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

How Many Will There Be? Flowers

These flowers sure are getting bigger faster! How large will they be in step 10? What about step 50?

Gr 1-6

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

Addition: 3 Digits Plus 2 Digits (Multiple Solutions)

Typical practice problems don’t move students up Bloom’s Taxonomy. With this framework, you’ll see kids stop and really think about how to approach multi-digit addition.

Gr 1-4

Subtraction: 3 Digits Minus 2 Digits (Multiple Solutions)

Typical practice problems don’t move students up Bloom’s Taxonomy. With this framework, you’ll see kids stop and really think about how to approach multi-digit subtraction.

Gr 1-4

Math Curiosity: A Pattern Packed Triangle

Pascal’s pattern-packed triangle is a potent puzzle for pupils to ponder.

Gr 3-5

Evens and Odds – Addition and Subtraction

When we’re adding and subtracting, do evens make odds into evens? Do odds make evens odd? Which one has… more power!?

Gr 1, 2, 3, 4, 7

How Many Ways: Times Equals Minus

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

Gr 1, 2, 3, 4, 6, 7

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

Math Curiosity: Primes and Squares

Can any perfect square be written as the sum of two primes?

Gr 1, 2, 3, 4, 5, 6, 8

Math Curiosity: Palindromic Number Conjecture

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

Gr 1-5

Math Curiosity: Collatz Conjecture

The Collatz Conjecture: start with any number and get to 1 using just two rules. It seems to always work…

Gr 1-6