Make trial and improvement fun and also get pupils to practice writing expressions rather than just get them to follow a process.
Pupils are challenged to find the missing lengths of the characters in the video game 'Thomas Was Alone' using Trial and Improvement.
EDIT: Updated with answers.
Thank you to TES user Daniel Burke for the zooming (http://www.tes.co.uk/teaching-resource/Trial-and-Improvement-6277974/) and the starter questions.
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Great - thank you
I agree that the zoom was really useful. A unique context and resource.
I ADORE this game! My year 9's struggle to engage with algebra, so this has been an amazing help! Thank you!
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