A directory of useful objects found on the web for teaching Maths.

Browsing by The Australian Curriculum

Solve problems involving addition and subtraction of fractions with the same or related denominators (ACMNA126)
* understanding the processes for adding and subtracting fractions with related denominators and fractions as an operator, in preparation for calculating with all fractions
* solving realistic additive (addition and subtraction) problems involving fractions to develop understanding of equivalent fractions and the use of fractions as operators
* modelling and solving additive problems involving fractions by using methods such as jumps on a number line, or by making diagrams of fractions as parts of shapes