An extensive introduction to Set Theory, generally aimed at Computer Science A Level students, A Level Mathematicians or first year Undergraduate students in either Computer Science or Mathematics. It is intended to cover two lessons, extra examples and discussion may be required if aiming at a lower ability. Includes: A simple starter to encourage discussion on how to categorise numbers, as well as how many there may be e.g. how many natural numbers are there? A handout featuring all definitions given in the PowerPoint A PowerPoint covering set notation, intersections, unions, set comprehension and set compression. More resources can be added upon request. Please do give feedback/suggestions!

Simple worksheet for younger pupils or lower ability secondary pupils who are newly introduced to negative numbers. Simple ordering exercise.

Simple PowerPoint with lesson objectives. A short introduction to negative numbers with a couple of addition/subtraction questions. Complemented by addition and subtraction of negative numbers worksheet.

Simple worksheet asking pupils to multiply and divide positive and negative numbers.

Simple worksheet asking pupils to add and subtract negative numbers. Complimented by the positive and negative number line (physical cut-out copy) supplied on my profile!

Simple topic test for Units of Measure. Suitable for lower ability KS2/KS3, or SEN at KS3/KS4.

Simple worksheet, differentiated between higher and lower ability. Multiplying decimals by whole numbers with real world examples as an extension.

A cut-out copy of a negative and positive number line. Excellent for introducing negative numbers at any age. Goes from -10 to +10.

Simple lesson starter to introduce the idea of a decimal. What is a decimal? When do we use them?

Simple worksheet subtracting single digit decimal numbers. E.g. 1.3 minus 0.4.