In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...

A series of short animated films for primary schools, following the adventures of Olivia and Hassan as they're challenged with maths problems to find their way through Hypatia's mathematical maze. Hi, ...

When we are asked to do a calculation for either addition, subtraction, multiplication or division, we will often decide whether to carry out the calculation ‘mentally’ or to use a ‘formal’ written ...