Operational Domains:Addition and Subtraction, Multiplication and Division and Proportions and Ratios
Knowledge provides the foundation for strategies and strategy creates new knowledge through use.
Stage 5 : Early Additive
A characteristic of this stage is the derivation of results from related known facts, such as finding addition answers by using doubles or teen numbers.The strategies that these students commonly use can be represented in various ways, such as empty number lines, number strips, arrays, or ratio tables.
Stage 6: Advanced Additive Part-Whole