Quadratics

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Quadratics

Algebra: Interactive Lessons
A horizontal math presentation slide from Mr Mathematics titled The Discriminant with a blue Exam Technique corner ribbon. The problem shows a quadratic function f of x equals x squared plus open parenthesis w minus 5 close parenthesis x plus 1, next to a graph of a parabola touching the x-axis with a label reading Equal Roots. A blue box prompt asks to Find possible values of w.
Ages 16 +

The Discriminant

How to use the discriminant to identify the roots of a quadratic equation.
Algebra: Interactive Lessons
Solving Quadratics by Completing the Square
Ages 16 +

Solving Quadratics by Completing the Square

How to find the roots and vertex of quadratic equation by completing the square.
Algebra: Interactive Lessons
Sketching Quadratics to Identify Turning Points and Roots
Ages 16 +

Sketching Quadratics

How to sketch a quadratic graph to identify its roots and turning point.
Algebra: Interactive Lessons
Solve Quadratic Equations using the Formula
Ages 16 +

Solve Quadratic Equations using the Formula

How to set up and solve quadratic equations using the quadratic formula.

Mr Mathematics Blog

Developing Mathematical Thinking Beyond Procedural Fluency

July 10, 2026
A research-backed case exploring why over-reliance on automated math homework platforms and repetitive worksheets lowers student expectations, and how departments can build genuine mathematical thinking.

Converting Between Fractions, Decimals and Percentages

July 4, 2026
How to teach converting between fractions, decimals and percentages.

From Key Skills to Deep Connections: Problem Solving in Secondary Maths

June 28, 2026
Four problem solving lessons to develop student's mathematical reasoning and communication skills.