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Ace in the Hole

Lesson PlanProbabilityStudent Exploration

Balance Scale Polypads

AlgebraArithmeticTeaching IdeaVideo

Balance Scale Puzzle

ArithmeticNumber TheoryPuzzle or GameStudent Exploration

Bee Genius

GeometryProbabilityPuzzle or Game

Binary Numbers with Playing Cards

ArithmeticLesson PlanNumber TheoryStudent Exploration

Blockout

GeometryNumber TheoryPuzzle or GameVideo

Border Tiles Puzzle

AlgebraArithmeticPuzzle or GameStudent Exploration

Break the Code

ProbabilityPuzzle or Game

Brick Walls and Fibonacci

Number TheoryPuzzle or GameStudent Exploration

Building Balance Scale Puzzle

AlgebraLesson Plan

Building Tangram Puzzles

GeometryLesson Plan

Checkerboard Squares

AlgebraGeometryNumber TheoryPuzzle or GameStudent Exploration

Class Openers and Math Talks

AlgebraArithmeticCollectionData and StatisticsFunctionsGeometryLesson PlanNumber TheoryProbability

Clock Angles

ArithmeticGeometryLesson Plan

Colour Mixing Fraction Bars

AlgebraArithmeticTeaching IdeaVideo

Common Factors

ArithmeticNumber TheoryTeaching IdeaVideo

Comparing Fractions Games

ArithmeticLesson PlanNumber TheoryPuzzle or GameTeaching Idea

Complete the Fractal Puzzle

GeometryPuzzle or GameRatio and Proportional Relationships

Completing the Square

AlgebraLesson Plan

Compound Probabilities

ProbabilityTeaching IdeaVideo

Contribute New Tasks

Cover Up

ArithmeticPuzzle or Game

Create your own chance (Bingo)

Lesson PlanNumber TheoryProbabilityPuzzle or Game

Curry’s Paradox

AlgebraGeometryStudent Exploration

Curry’s Paradox (Teacher Notes)

AlgebraGeometryTeaching Idea

Decimal Multiplication

ArithmeticTeaching Idea

Divisibility by 9

ArithmeticLesson PlanNumber Theory

Domino Frames

ArithmeticPuzzle or Game

Don’t Break the Bank

ArithmeticStudent Exploration

Doubling the Cube

GeometryLesson PlanNumber Theory

Drawing Lines with Pixels

AlgebraGeometryLesson PlanNumber TheoryTeaching Idea

Egyptian Fractions

ArithmeticLesson PlanNumber TheoryStudent Exploration

End of Year Activities 2022

Equality with Number Bars

ArithmeticStudent ExplorationTeaching Idea

Equivalent Fractions with Pattern Blocks

ArithmeticLesson PlanNumber Theory

Exploring Percent with Double Number Lines

ArithmeticNumber TheoryTeaching IdeaVideo

Exploring the Pythagorean Theorem

GeometryTeaching Idea

Exploring the Ratio of Surface Area to Volume in Cubes

AlgebraGeometryLesson PlanNumber TheoryStudent Exploration

Exponential Decay with Dice

AlgebraStudent Exploration

Factoring Quadratics

AlgebraLesson Plan

Factoring Quadratics Practice

AlgebraStudent Exploration

Finding Factors of Numbers in 3 Ways

ArithmeticNumber TheoryTeaching IdeaVideo

Five Platonic Solids

GeometryLesson Plan

Fix This Chart

Data and StatisticsLesson Plan

Flipping 3 Coins

Data and StatisticsLesson PlanProbability

Fractals

AlgebraGeometryLesson PlanNumber Theory

Fraction Addition

ArithmeticTeaching IdeaVideo

Fraction Bars

ArithmeticTutorial

Fraction Bingo

ArithmeticLesson PlanPuzzle or GameTeaching Idea

Fraction Division

ArithmeticTeaching Idea

Fraction Inequalities

ArithmeticLesson PlanNumber Theory

Fraction Multiplication

ArithmeticTeaching IdeaVideo

Fractions 1234 Game

ArithmeticLesson PlanNumber TheoryPuzzle or GameTeaching Idea

Galton Board

ProbabilityStudent Exploration

Genius Square

GeometryProbabilityPuzzle or Game

Genius Star

GeometryProbabilityPuzzle or Game

Geometric Constructions - Basics

GeometryLesson Plan

Geometric Constructions - Regular Polygons

GeometryLesson Plan

Gold Coin

Number TheoryProbabilityPuzzle or Game

Halving and Doubling

ArithmeticTeaching Idea

Hanoi Tower

ArithmeticData and StatisticsNumber TheoryStudent Exploration

HEX Game

GeometryPuzzle or Game

Hexadecagons

GeometryStudent Exploration

Hinged Dissection

GeometryLesson Plan

How many chairs around the table?

AlgebraNumber TheoryStudent Exploration

How Many Dots?

Number TheoryTeaching Idea

How many Rectangles?

ArithmeticLesson PlanNumber Theory

Infinite Sums of Fractions

Lesson PlanNumber TheoryStudent Exploration

Integer Addition using Algebra Tiles

AlgebraArithmeticTeaching IdeaVideo

Isometric Drawings: Part I

GeometryLesson Plan

Isometric Drawings: Part II

GeometryLesson Plan

Kite Squares

GeometryStudent Exploration

Land Area and Water Area in the USA

ArithmeticData and StatisticsLesson Plan

Logic Gates and Decision Trees

Lesson PlanLogic and Computing

Logic Gates and Truth Tables

Lesson PlanLogic and Computing

Magic Egg Tangram

GeometryLesson Plan

Making Money

ArithmeticLesson Plan

Mean of a Data Set

Data and StatisticsLesson Plan

Measures of Central Tendency and Rolling Dice

ArithmeticStudent ExplorationTeaching Idea

Mondrian’s Rectangles

GeometryLesson PlanNumber TheoryPuzzle or Game

Multiplication Table in Scale

Number TheoryStudent Exploration

Multiplying Probabilities

ProbabilityTeaching IdeaVideo

Nets of a Cube

GeometryLesson PlanStudent Exploration

Number Bar 1-100 Trays

ArithmeticTeaching Idea

Number Bars and Fibonacci

Number TheoryStudent Exploration

Number of Diagonals

AlgebraGeometryStudent Exploration

Number Sequences

AlgebraLesson PlanNumber Theory

Open Box Problem

AlgebraFunctionsGeometryLesson PlanStudent Exploration

Operations with Fractions using Pattern Blocks

ArithmeticLesson PlanNumber Theory

Optical Illusions With 3D Projections

GeometryLesson PlanStudent Exploration

Overlapping Hands of a Clock

AlgebraGeometryLesson PlanNumber Theory

Paths on a Grid

GeometryNumber TheoryProbabilityStudent Exploration

Pattern Blocks

GeometryStudent ExplorationTeaching Idea

Penrose Tilings and the Golden Ratio

GeometryStudent Exploration

Pentomino Perimeters

GeometryLesson Plan

Pentomino Zoo

GeometryPuzzle or Game

Perceptions of Likeliness

Data and StatisticsLesson PlanProbability

Pi in Squares and Other Shapes

GeometryStudent Exploration

Pick’s Theorem

AlgebraGeometryStudent Exploration

Polypad Templates

CollectionTeaching Idea

Polypad User Guide

Pool Table Problem

ArithmeticGeometryLesson PlanNumber TheoryStudent Exploration

Puzzle of the Day

GeometryPuzzle or Game

Puzzling Properties of Magic Square

AlgebraGeometryStudent Exploration

Racial and Ethnic Diversity in the United States: 2010 Census and 2020 Census

Data and StatisticsLesson Plan

Remainder Riddles

ArithmeticLesson PlanNumber Theory

Rhombic Dissection of Dodecagons

GeometryStudent Exploration

Rosette

AlgebraGeometry

Save Twenty

ArithmeticPuzzle or GameStudent Exploration

Shapes Around a Vertex

GeometryLesson Plan

Shut the Box

ArithmeticPuzzle or Game

Simultaneous Equations

AlgebraLesson Plan

Sphinx Tilings

GeometryStudent Exploration

Spidrons

GeometryStudent Exploration

Spiral of Theodorus

GeometryLesson PlanNumber Theory

Split the Hexagon

GeometryPuzzle or GameStudent Exploration

Square Areas on a Grid

GeometryStudent Exploration

String Art

AlgebraGeometryLesson Plan

Subtraction with Regrouping

ArithmeticTeaching IdeaVideo

Tangram Coordinates

GeometryLesson Plan

Tangram Paradoxes

GeometryLesson Plan

Taxicab Geometry - Circles and Ellipses

GeometryLesson Plan

Taxicab Geometry Game

GeometryPuzzle or Game

Ten Take-Away

ArithmeticTeaching Idea

Tessellations

GeometryLesson PlanStudent Exploration

Tetromino Equations

AlgebraArithmeticLesson PlanNumber Theory

Tetromino Reptiles

GeometryLesson Plan

The Rectangle Game

ArithmeticLesson PlanNumber TheoryPuzzle or GameStudent Exploration

Timeline of Mathematics Scavenger Hunt

Lesson PlanTimeline

Trapezium Area

GeometryStudent Exploration

Triangle Inequality Theorem

GeometryLesson PlanProbability

Twosday!

ArithmeticLesson Plan

Using Polypad: Algebra

AlgebraTutorialVideo

Using Polypad: Fractions

ArithmeticTutorialVideo

Using Polypad: Games and Applications

AlgebraTutorialVideo

Using Polypad: Geometry

GeometryTutorialVideo

Using Polypad: Logic and Computing

Logic and ComputingTutorial

Using Polypad: Music

MusicTutorialVideo

Using Polypad: Numbers

ArithmeticTutorialVideo

Using Polypad: Probability and Data

Data and StatisticsProbabilityTutorialVideo

Vaccine Efficacy

ArithmeticData and StatisticsStudent Exploration

Visual Patterns

AlgebraCollectionGeometryLesson PlanTeaching Idea

What Made Me a Mathematician

GeometryPuzzle or GameStudent Exploration

What Makes A Game Fair?

AlgebraGeometryStudent Exploration

What Type of Chart is Best?

Data and StatisticsLesson Plan