Joining the stems Animation Play

Joining the stems Student activity Play

Lattice method Animation Play

Lenna's shopping Whiteboard exercise Play

Long addition and subtraction Animation Play

Lorry Simulation Play

Mental addition Animation Play

Mental addition Whiteboard exercise Play

Mental addition and mental subtraction Student activity Play

Mercury and lead Whiteboard exercise Play

Mistakes in adding and subtracting fractions Animation Play

Money calculations Student activity Play

Money calculations – reckoning Student activity Play

Multiplying decimals using the lattice method Student activity Play

Negative or positive? Simulation Play

Negative or positive? Student activity Play

Operations on fractions Class activity Play

Operations on fractions Whiteboard presentation Play

Operations on integers Student activity Play

Operations on integers Whiteboard exercise Play

Planning Student activity Play

Planning Whiteboard exercise Play

Product of three sums Student activity Play

Product of three sums – the volume of a box Whiteboard exercise Play

Properties of addition of rational numbers Student activity Play