Grade 7 (Year 7)
How a Solar Eclipse Works
An interactive stepped lesson explaining the celestial alignment of the Sun, Moon, and Earth during solar eclipses, detailing the shadow cones (Umbra vs Penumbra).
Integer Operations
Interactive number line visualizing addition and subtraction of positive and negative numbers.
Fractions & Decimals
Visualizing partitions of a whole and converting them to decimals and percentages.
Algebraic Expressions
Visualizing variables, grouping like terms, and multiplying algebraic expansion grids.
Sequences
Visualizing arithmetic sequences of blocks and finding their general formula.
Angles & Parallel Lines
Visualizing angles created by parallel lines cut by a transversal.
Triangles & Quadrilaterals
Visualizing the interior angle sums of triangles ($180^\circ$) and quadrilaterals ($360^\circ$).
Data Display
Interactive data visualization comparing bar charts and pie charts.
Mean, Median & Mode
Visualizing averages as balancing points and middle values in datasets.
Grade 8 (Year 8)
Binary Search Algorithm
Step-by-step visual demonstration of the Binary Search algorithm on a sorted list, highlighting the pointers left, right, and mid.
Percentages & Rates
Visualizing percentage increases, decreases, and compound rate changes.
Ratio & Proportion
Visualizing ratio parts and comparing direct vs inverse proportions.
Linear Equations
Step-by-step balance-scale method to isolate and solve algebraic equations.
Linear Graphs
Visualizing coordinates, slopes, intercepts, and plotting the standard line equation.
Transformations
Visualizing rigid motion transformations including translations and reflections.
Perimeter, Area & Volume
Visualizing 2D compound shapes and unfolding 3D prisms into 2D nets.
Probability
Visualizing probabilities on a scale from 0 to 1 and independent event trees.
Grade 9 (Year 9)
Factoring Quadratics
Visualizing quadratic trinomials ax² + bx + c using algebra area models and step-by-step factorization techniques.
Powers & Roots
Visualizing square powers, square roots, and the laws of indices.
Standard Form
Understanding scientific notation for expressing very large and very small values.
Simultaneous Equations
Visualizing simultaneous linear systems and locating their graphical intersection point.
Inequalities
Visualizing range solution intervals on a number line with open and closed boundaries.
Pythagoras' Theorem
Visual proof and calculations of the classic right triangle theorem.
Circle Properties
Visualizing radius, diameter, circumference, and parts of a circle.
Experimental Probability
Visualizing trials, relative frequencies, and convergence to theoretical probability.