mrcowardmathsApr 16, 20211 minDirected number - how many countersWhen introducing negative numbers I like the task 'make three', then make it in a different way (by using zero pairs). I wanted to extend...
mrcowardmathsFeb 11, 20211 minAssociativity of subtractionThis task is designed to get pupils thinking and understanding the associativity of subtraction. It is modeled both with number lines and...