Find out how to add and subtract fractions with matching and different denominators in this Year 6 article from BBC Bitesize.

Year 3 Maths Adding and subtracting learning resources for adults, children, parents and teachers.

This exercise not only helped students finally get why subtracting a negative is the same as adding a positive, but also inspired an approach to adding and subtracting positive and negative ...

Addition and Subtraction Tricks Without Pen and Paper: Doing quick calculations without writing anything down can seem tricky, but with the right mental math techniques, students can easily learn ...

The Common Core State Standards teach students the algorithm for multi-digit addition and subtraction in 4th grade. But some experts say it should be taught sooner.