 # all Numbers and counting articles

What are cube numbers?
We explain what cube numbers are and how the concept builds on prior knowledge of square numbers.
What are triangular numbers?
We explain what triangular numbers are and how able children in Year 5 or 6 might be taught to use algebraic formula to calculate a triangular number.
What are equations?
We explain what equations are and how children are taught to solve equations in KS1 and KS2, as well as how the topic of algebra is introduced.
What are odd and even numbers?
We explain what odd and even numbers are and how primary-school children are taught about this concept in KS1 and then have to apply this learning in...
What is 'the difference between'?
We explain what teachers mean when they talk about finding 'the difference between' and give examples of how children are taught to work...
What is < and >?
We explain what the symbols < and > mean and give examples of how the concept is explained to primary-school children.
What is descending order?
We explain what descending order means and give examples of how the concept might relate to numbers, decimals, fractions or amounts of money.
What is ascending order?
We explain what ascending order means, how children are asked to sort into ascending order in primary school and give examples of how the concept...
What is the lowest common denominator?
We explain what the lowest common denominator is and how to find it and use it to compare different fractions, as well as giving examples of how the...
What is the lowest common multiple?
We explain what the lowest common multiple is and give examples of how the concept might be taught to your primary school child.