How many Frequency Trees practice questions are there?

There are 15 self-marking GCSE Maths questions on Frequency Trees, written for AQA, Pearson, OCR across Foundation and Higher tier. Each one is marked instantly and has a full worked solution.

Do I need an account to practise Frequency Trees?

No. You can start practising Frequency Trees straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.

Tree diagrams and combined events

Frequency Trees

15 self-marking GCSE practice questions on Frequency Trees, written specifically for AQA, Pearson, OCR across Foundation and Higher tier. Instant marking with full worked solutions on every question.

Start practising Frequency Trees (no account needed)

Sample Frequency Trees questions

A few of the 15 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

Question 13 marksGrade 4-5
99 people were asked whether they attended the school fair. 29 said yes. Of those who said yes, 12 are male. Of those who said no, 42 are female. The frequency tree below shows the results, split by gender. Complete the frequency tree.

What are the common mistakes in Frequency Trees?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

Assumes outcomes are equally likely/split evenly without justification
Assumed the total splits evenly between branches instead of using the given frequency.
Uses the same given frequency value again instead of calculating the new value required
Repeated a given frequency instead of subtracting from the total/parent branch to find the missing value.
Assumes a derived total splits evenly or proportionally across subgroups instead of working out each subgroup's value from the other given data
Assumes the 11 left-handed workers (45 − 34) split evenly or proportionally between male and female without using the actual given data, instead of correctly working out male right-handed (34 − 16 = 18) first, then male left-handed (22 − 18 = 4) and female left-handed (23 − 16 = 7) from that.

Quick answers about Frequency Trees

How many Frequency Trees practice questions are there?: There are 15 self-marking GCSE Maths questions on Frequency Trees, written for AQA, Pearson, OCR across Foundation and Higher tier. Each one is marked instantly and has a full worked solution.
Do I need an account to practise Frequency Trees?: No. You can start practising Frequency Trees straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.