← All Standards

Grade 3

• Geometry

  • 3.G.A.1
  • 3.G.A.2

• Measurement & Data

  • 3.MD.A.1.a
  • 3.MD.A.1.b
  • 3.MD.A.2
  • 3.MD.B.3
  • 3.MD.B.4
  • 3.MD.C.5
  • 3.MD.C.5.a
  • 3.MD.C.5.b
  • 3.MD.C.6
  • 3.MD.C.7
  • 3.MD.C.7.a
  • 3.MD.C.7.b
  • 3.MD.C.7.c
  • 3.MD.C.7.d
  • 3.MD.C.8

• Number & Operations: Base Ten

  • 3.NBT.A.1
  • 3.NBT.A.2
  • 3.NBT.A.3

• Number & Operations: Fractions

  • 3.NF.A.1
  • 3.NF.A.2
  • 3.NF.A.2.a
  • 3.NF.A.2.b
  • 3.NF.A.2.c
  • 3.NF.A.3
  • 3.NF.A.3.a
  • 3.NF.A.3.b
  • 3.NF.A.3.c
  • 3.NF.A.3.d

• Operations & Algebraic Thinking

  • 3.OA.A.1
  • 3.OA.A.2
  • 3.OA.A.3
  • 3.OA.A.4
  • 3.OA.B.5
  • 3.OA.B.6
  • 3.OA.C.7
  • 3.OA.D.8
  • 3.OA.D.9
  • 3.OA.D.10

Arizona Math Standard: 3.OA.B.6

Understand division as an unknown-factor problem (e.g., find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8).

Gr 3-7

Back to School Math Worksheets

In these math problems, the solution is already given. But another number is missing!

Gr 1-6

Spring Math Worksheets: Multiplication and Division

Sets of multiplication and division practice problems. But the unknown isn’t where you expect it to be!

Gr 1, 3, 4

Factors and Codes: First Names (Episode 2)

Scrambled up somewhere in 161,000 is a first name. Can you find it!?

Gr 3, 4, 6, 7

Factors and Codes (Episode 1)

Let’s use factors to encode and decode words.

Gr 3, 4, 6

An Olympic Sized Pool and Jet Fuel (Episode 3)

How many times could you fill up a jet plane using the fuel that would fit in an olympic-sized pool?

Gr 3-8

An Olympic Sized Pool and 2 Liter Bottles (Episode 1)

How many 2 liter bottles could you fill up using the water in an olympic-sized pool?

Gr 3-8

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

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? Crosses

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? 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 Ways: Divide Fractions Equal 1/4

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

Gr 3, 5, 6, 7

How Many Ways: Multiply Fractions Equal 1/4

One equation. Digits one through nine. How many ways can you make it work?

Gr 3, 4, 5, 7

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

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

Measurement: How Big is this Bathtub?

So, if I told you a bathtub holds 640 of water, which unit would make the most sense?

Gr 3-8

Math Curiosity: Klauber’s Triangle

In 1932, a leading authority on rattlesnakes, Laurence Klauber, discovered a startling pattern within a triangle of primes.

Gr 1-5

Math Curiosity: A Pattern Packed Triangle

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

Gr 3-5

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: 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

How Many Ways: Times Equals Times

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

Gr 3, 4, 6

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

Undoing Multiplication With Division

Multiplication and division, natural foes, are constantly seeking to undo each other. Students will attempt to reverse the effects of multiplication by dividing once, twice, or even thrice!

Gr 3-7

Math Curiosity: Four Squares

Every positive integer can be written as the sum of (at most) four perfect squares!

Gr 1, 2, 3, 4, 8

Math Curiosity: Odds & Squares

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

Gr 1, 2, 3, 4, 6

Doubling Dollars

Say you have a dollar. Say you can double that dollar each day: $1, $2, $4, and so on. How long will it take to reach… one million dollars? Not as long as you might think!

Gr 2-8

A Donut Investigation

In this cross-curricular investigation, students will look into an intriguing question: do donuts or salads have more sugar? They’ll grapple with misleading information, bias, and use their math skills to create a visual representation of sugar in popular foods.

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

Math Curiosity: Finding Primes

Prime numbers are unpredictable! How can we possibly find them all? An Ancient Greek mathematician found one way!

Gr 1, 2, 3, 4, 6

A Nutrition-Based Math Project

Let’s create a parody ad attacking a surprisingly calorie-rich meal.

Gr 3, 4, 6, 7, 8

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