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Free Algebra Lessons

Free Number Lessons

Free Shape Lessons

Geometrical Proof with Vectors

Cat: 4 Part Lesson


Free Handling Data Lessons

Mr Mathematics Blog

Trigonometric Identities Sin, Cos and Tan

How to introduce the sin, cos and tan trigonometric identities.

Calculating a Reverse Percentage

How to teach calculating the original amount after a percentage change.

Comparing Datasets using the Mean and Range

The importance of the range when comparing comparing datasets.