How many The product rule for counting practice questions are there?

There are 42 self-marking GCSE Maths questions on The product rule for counting, 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 The product rule for counting?

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

Systematic listing and counting

The product rule for counting

Q: What are the common mistakes in The product rule for counting?

Adds values where multiplication was needed Uses the same list of outcomes twice instead of combining two different lists Miscounts a total by one

42 self-marking GCSE practice questions on The product rule for counting, written specifically for AQA, Pearson, OCR across Foundation and Higher tier. Instant marking with full worked solutions on every question.

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Sample The product rule for counting questions

A few of the 42 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

Question 12 marksGrade 3-4
A shop offers a choice of trim colour (gold, silver, bronze) and a choice of sleeve length (short sleeve, long sleeve). Use a table or grid to list all the possible combinations systematically. Work out how many different combinations there are in total.
Show the worked solution
Listing every combination of trim colour with sleeve length systematically:
(gold, short sleeve), (gold, long sleeve), (silver, short sleeve), (silver, long sleeve), (bronze, short sleeve), (bronze, long sleeve)
There are $3$ choices of trim colour and $2$ choices of sleeve length. M1
Total combinations $= 3 \times 2 = 6$

What are the common mistakes in The product rule for counting?

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.

Adds values where multiplication was needed
Added the number of choices in each category instead of multiplying them, which undercounts the number of combinations.
Uses the same list of outcomes twice instead of combining two different lists
Multiplied one list's length by itself instead of pairing it with the other category's length.
Miscounts a total by one
Only multiplied 3 stages instead of 4 - the first book's position is also a genuine choice and must be included in the product

Quick answers about The product rule for counting

How many The product rule for counting practice questions are there?: There are 42 self-marking GCSE Maths questions on The product rule for counting, 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 The product rule for counting?: No. You can start practising The product rule for counting straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.