Standard deviation is the process that involves calculating the squared difference between each data point and the mean, summing those squared differences, dividing by the number of data points, and then taking the square root of the result. Standard deviation is useful in various fields, such as statistics, finance, and… Continue reading Mastering standard deviation: a step-by-step guide
Tag: Maths
The difference between simple and compound interest
In both the foundation and higher tiers of GCSE maths, interest questions come up fairly regularly. You will need to be able to apply two different types of interest – compound and simple. In this blog I will explain the difference between the two methods by way of an example.… Continue reading The difference between simple and compound interest
Times Table App Review – TimesTablesHero
Today’s blog is another review of a times tables app. I’ve already reviewed Math Ninja, which ended with an overall rating of 20/30 and 10 Minutes A Day which scored 24/30. Today I’ll be reviewing TimesTablesHero. TimesTablesHero Review Cost: FreeThe format of this app is a little different to the… Continue reading Times Table App Review – TimesTablesHero
GCSE and A-Level Results 2023
As expected, the summer 2023 GCSE and A-Level grade attainments dropped significantly compared to summer 2022. This is due to grade boundaries returning to pre-pandemic levels for the first time since 2019. For example, the raw mark needed to pass GCSE Edexcel foundation maths in 2022 was 135. This shot… Continue reading GCSE and A-Level Results 2023
The Lazy Caterer’s Sequence
In previous blogs, we’ve looked at some interesting integer sequences. We’ve looked at the Fibonacci sequence, the Look-and-say sequence, Golomb’s sequence and Van Eck’s sequence. Today, we’re looking at the Lazy Caterer’s sequence.You can find this sequence on the Online Encyclopedia of Integer Sequences here. How to generate the sequence… Continue reading The Lazy Caterer’s Sequence
