← All Standards

Grade 3

• Geometry

  • 3.G.1
  • 3.G.2

• Measurement & Data

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

• Numbers & Operations: Base Ten

  • 3.NBT.1
  • 3.NBT.2
  • 3.NBT.3

• Numbers & Operations: Fractions

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

• Operations & Algebraic Thinking

  • 3.OA.1
  • 3.OA.2
  • 3.OA.3
  • 3.OA.4
  • 3.OA.5
  • 3.OA.6
  • 3.OA.7
  • 3.OA.8
  • 3.OA.9

CCSS Math Standard: 3.OA.4

Represent and solve problems involving multiplication and division. Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = __÷ 3, 6 × 6 = ?.

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

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? 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? 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 Ways: Fractions Divide Equals 2/3

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

Gr 3-7

How Many Ways: Fractions Multiply 2/3

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

Gr 1, 2, 3, 4, 5, 7

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? Triangles Within Triangles

A triangle splits and splits and splits again. How many will there be in step 20?

Gr 1-4

How Many Ways: Fraction Equivalence

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

Gr 1, 2, 3, 4, 6

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: Order of Operations 1

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

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

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

Why Is Our Calendar So Weird!?

Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!

Gr 3-6

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