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Brainlag

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Problem solving and proof

The reasoning and problem-solving half of every paper: multi-step money problems, angle chains with reasons, interpreting and justifying with statistics, algebraic proof, and mixed exam problems across topics.

Start with Number and money problems. In 30 minutes you will be able to plan a multi-step money problem before calculating. 2 of the 5 lessons here are free.

Lessons

Based on your answers on this device and your account. It shows where practice will help most, not a grade.

Practise and test