Order Of Operations — Interactive Lesson (Year 7)

Get the order of operations wrong and the same sum gives a completely different answer. This order of operations lesson, built as a 27-slide interactive lesson, gives KS3 students focused practice applying BODMAS correctly to multi-step calculations.

Students apply brackets, orders, division, multiplication, addition and subtraction in the correct order, working through increasingly complex calculations, with instant self-marking feedback throughout.

Mastering Order Of Operations in KS3 Maths

This resource covers the KS3 National Curriculum area of number, understanding and using the order of operations, including brackets, orders (powers/roots), division, multiplication, addition and subtraction.

What’s Included

• 27-slide fully interactive digital lesson
• BODMAS/BIDMAS calculation activities
• Self-marking multi-step questions

Key Benefits for Students

• Builds a genuine, reliable calculation method, not guesswork
• 27 slides give thorough, repeated practice
• Instant feedback builds confidence independently

Why Teachers Love It

• No prep, self-marking
• Directly supports KS3 exam technique
• Works as a whole-class lesson or independent station

Real-World Uses

Order of operations isn’t just a maths-lesson rule — it’s exactly how spreadsheet formulas and calculators evaluate a sum, so getting it right matters well beyond the classroom. A single misplaced step changes the final answer completely, which is exactly why the rule needs to become automatic.

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