# all Maths articles

What are decimals?
We explain what decimals are and how the concept is explained to primary-school children, as well as how they are taught to relate decimals to money...
What is repeated addition?
We explain what repeated addition means, how it is taught in school as a foundation of multiplication understanding and techniques that teachers use...
What is a number sentence?
We explain what a number sentence is and how primary-school children are taught to write number sentences (or fill in gaps in number sentences) in...
What is a sum?
We explain what a sum is and how children are taught to understand the term when it appears in mental maths tests, word problems or investigations.
What is an integer?
We explain what an integer is and how to explain the concept to your child, as well as offering some puzzles involving the term 'integer'.
What are division facts?
We explain what division facts are, how they are taught in primary school, and share some fun games that you can try at home to make this knowledge...
What is a product?
In maths the product of two numbers is the result you get when you multiply them. We explain how children are taught multiplication vocabulary in KS2...
What is a success criteria / WILF?
Find out what success criteria (also known as the 'WILF') are and how your child's teacher will use success criteria to boost learning...
What is a Learning Objective / WALT?
Heard your child talk about their LO, or their WALT? Teachers use learning objectives to help children understand what is expected of them in the...
What is a DUMTUM?
Find out what a DUMTUM is and how this technique will help your child to set out their work correctly.