Puzzles, Activities and Lesson Plans

Balance Scale

Teaching IdeaVideoAlgebraArithmetic

Blockout

Puzzles and GamesVideoGeometryNumber Theory

Brick Walls and Fibonacci

Student ExplorationNumber Theory

Colour Mixing Fraction Bars

Teaching IdeaVideoAlgebraArithmetic

Common Factors

Teaching IdeaVideoArithmeticNumber Theory

Completing the Square

Lesson PlanAlgebra

Compound Probabilities

Teaching IdeaVideoProbability

Contribute New Tasks

Cover Up

Puzzles and GamesArithmetic

Curry’s Paradox (Teacher Notes)

Teaching IdeaAlgebraGeometry

Curry’s Paradox

Student ExplorationAlgebraGeometry

Decimal Multiplication

Teaching IdeaArithmetic

Diagonals of Rectangles

Student ExplorationAlgebraGeometryNumber Theory

Don’t Break the Bank

Student ExplorationArithmetic

Equality with Number Bars

Student ExplorationArithmetic

Exploring the Pythagorean Theorem

Teaching IdeaGeometry

Exponential Decay with Dice

Student ExplorationAlgebra

Factoring Quadratics

Lesson PlanAlgebra

Factoring Quadratics Practice

Student ExplorationAlgebra

Finding Factors of Numbers in 3 Ways

Teaching IdeaVideoArithmeticNumber Theory

Fraction Addition

Teaching IdeaVideoArithmetic

Fraction Division

Teaching IdeaArithmetic

Fraction Inequalities

Lesson PlanArithmeticNumber Theory

Genius Square

Puzzles and GamesGeometryProbability

Halving and Doubling

Teaching IdeaArithmetic

HEX Game

Puzzles and GamesGeometry

Hexadecagons

Student ExplorationGeometry

HIP

Puzzles and GamesGeometry

How many chairs around the table?

Student ExplorationAlgebraNumber Theory

How Many Dots?

Teaching IdeaNumber Theory

How many Rectangles?

Lesson PlanArithmeticNumber Theory

How Many Squares on a Checkerboard?

Student ExplorationAlgebraGeometryNumber Theory

Integer Addition using Algebra Tiles

Teaching IdeaVideoAlgebraArithmetic

Kite Squares

Student ExplorationGeometry

Making Money

Lesson PlanArithmetic

Mastermind

Puzzles and GamesProbability

Mean of a Data Set

Teaching IdeaVideoArithmetic

Measures of Central Tendency and Rolling Dice

Student ExplorationTeaching IdeaArithmetic

Multiplication Table in Scale

Student ExplorationNumber Theory

Multiplying Probabilities

Teaching IdeaVideoProbability

Number Bar 1-100 Trays

Teaching IdeaArithmetic

Number Bars and Fibonacci

Student ExplorationNumber Theory

Paths on a Grid

Student ExplorationGeometryNumber TheoryProbability

Pattern Blocks

Student ExplorationTeaching IdeaGeometry

Penrose Tilings and the Golden Ratio

Student ExplorationGeometry

Pentomino Perimeters

Lesson PlanGeometry

Pentomino Zoo

Puzzles and GamesGeometry

Pi in Squares and Other Shapes

Student ExplorationGeometry

Pick’s Theorem

Student ExplorationAlgebraGeometry

Polypad 101

Puzzle of the Day

Puzzles and GamesGeometry

Question Builder

Remainder Riddles

Lesson PlanArithmeticNumber Theory

Rhombic Dissection of Dodecagons

Student ExplorationGeometry

Save Twenty

Puzzles and GamesStudent ExplorationArithmetic

Shapes Around a Vertex

Lesson PlanGeometry

Sharing Polypad Canvasses

Shut the Box

Puzzles and GamesArithmetic

Sphinx Tilings

Student ExplorationGeometry

Spidrons

Student ExplorationGeometry

Split the Hexagon

Puzzles and GamesStudent ExplorationGeometry

Square Areas on a Grid

Student ExplorationGeometry

Tangram Coordinates

Lesson PlanGeometry

Ten Take-Away

Teaching IdeaArithmetic

Tetromino Reptiles

Lesson PlanGeometry

Trapezium Area

Student ExplorationGeometry

Visual Patterns

Lesson PlanAlgebraGeometry