Mr Scott tricks of maths

Part 4 trig finding the angle

Trig part 3 under the table

Sin cos and tan trig part 2

Sin cos trig part 1

Solving with fractions

Solving with unknowns both sides

Solving with expanding

Solving 2 step equations

1 step equations

Rounding dp with balloons

Rounding sf with ballons

Rounding with balloons

LCM vs HCF with big M and Factor Bug

Box Method division

Japanese method multiplication

Lattice with percentages

Lattice part 2

Lattice method part 1

Lattice with decimals