← 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.MD.C.7.d

Understand that rectilinear figures can be decomposed into non-overlapping rectangles and that the sum of the areas of these rectangles is identical to the area of the original rectilinear figure. Apply this technique to solve problems in real-world contexts.

Geometry Image: Victoria Conference Center

What odd and interesting shapes can your students find in this geometric image?

Gr 1-5

Geometry Image: Skytree

What odd and interesting shapes can your students find in this geometric image?

Gr 1, 2, 3, 4, 5, 7, 8

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? Desks

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

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

Same Perimeter, Different Area For Rectangles

Can two rectangles have the same perimeter but… different areas!?

Gr 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: The Coloring Problem

No video gets me more email from students! How few colors can you use to color in any map so that no two, neighboring regions are the same color?

Gr 1

Deducing the Area of Triangles

Using patterns, students try to deduce where that area formula came from.

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

Finding The Volume of Laptops

How has the volume of laptops changed over time? You know you want to check out how huge those first versions were!

Gr 1, 2, 4, 5, 6, 7

Discovering Pi With Sticky Notes

Pi is mysterious and strange! Why not let students discover it on their own?

Gr 3, 7, 8

How Many Students Can Fit On The Playground?

So… just how many kids could we cram onto the playground?

Gr 1, 2, 3, 4, 6, 7, 8

Furnishing A Hotel

Design and furnish hotel rooms on a budget. Real math, real constraints, real decisions. Then pitch your hotel to investors.

Gr 2, 3, 4, 5, 7

A Grid-Based Fraction Project

You’ve got 60 spaces on a grid to create an amusement park, a house, a farm, or whatever you’d like. Divide it into seven pieces, order it by size, combine into two halves, and more in this fraction project.

Gr 1-5