This is an introduction to Quantity and Number for teenagers and adults with special educational needs. It is a full course and includes student worksheets, teaching slides and tables.The resource is intended to introduce students to quantity and number, including:Recognising numbers and place valueMeasurementAddition and subtractionTopics include:Odd and even numbersRecognising numbersNumbers in everyday lifePlace valueWeight, length and capacityBig numbersAddition words and sumsSubtraction wor