4 Part Lessons Key Stage 3
Rounding to a decimal place
Rounding numbers to a significant figure
Making approximations using rounding
4 Part Lessons GCSE
Rounding to the Nearest Power of Ten
Rounding to a Decimal Place
Rounding to a Significant Figure
Limits of Accuracy
Accuracy in Calculations
Rounding and Estimations
Limits of Accuracy and Error Intervals
How to introduce the sin, cos and tan trigonometric identities.
How to teach calculating the original amount after a percentage change.
The importance of the range when comparing comparing datasets.