Key Stage 3

Showing 49–64 of 155 results

Key Stage 3

Number
Factor Pairs of Numbers and Terms
Algebra
Factorising Expressions into a Pair of Brackets
Shape
Finding any length of a Right-Angled Triangle
Number
Finding Percentages without a Calculator
Number
Finding Prime Factors
Number
Finding Prime Numbers
Shape
Finding the Area of a Circle
Shape
Finding the Area of a Rectangle
Shape
Finding the Area of a Triangle
Shape
Finding the Circumference of a Circle
Number
Finding the Highest Common Factor
Algebra
Finding the nth Term of a Sequence
Shape
Finding the Original Amount – Percentage Changes
Number
Fractions and Decimal Numbers
Algebra
Horizontal and Vertical Straight Line Graphs
Handling Data
How to Calculate the Mean Average

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.