Daily Maths Revision – Week 6 Walkthrough

If you’re struggling with this week’s questions, this walkthrough should help you get the skills you need. If it’s a formula you need, here are the two that are relevant this week. You aren’t given these so you will need to remember them. Cylinders   volume =        surface area =         This week, we’re exploring: Probability Tree Diagrams Cylinders Lowest Common Multiple with Prime Factors Exchange Rates Expanding Double Brackets Question 1: Probability Tree Diagrams Probability trees are a brilliant way to organise different outcomes and their probabilities in a clear and easy-to-use way. Let’s say the probability of Hugo winning a … Continue reading Daily Maths Revision – Week 6 Walkthrough

Daily Maths Revision – Week 5 Walkthrough

If you’re struggling with this week’s questions, this walkthrough should help you get the skills you need. If it’s a formula you need, here are the two that are relevant this week. You aren’t given these so you will need to remember them. Trigonometry Ratios                      Circumference of a circle This week, we’re exploring: Trigonometry Reverse Percentages Circumference of a Circle Proportion Mutually Exclusive and Exhaustive Events Question 1: Trigonometry Trigonometry is sometimes referred to as SOHCAHTOA – but SOHCAHTOA is a mnemonic that helps you remember one type of trigonometry, involving right-angled triangles. It gives the 3 trig ratios, sin, … Continue reading Daily Maths Revision – Week 5 Walkthrough