Ratio (age 11+)
Use conventional notation for the priority of operations including brackets, powers, roots, and reciprocals; apply BIDMAS/BODMAS consistently to evaluate complex numerical expressions
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“Can your child evaluate a complex expression like '5 + 2³ ÷ 4' correctly — applying the right order of operations, handling the power before the division and division before the addition?”
Full guide and materials
- Activity. Use conventional notation for the priority of operations including brackets, powers, roots, and reciprocals; apply BIDMAS/BODMAS consistently to evaluate complex numerical expressions
What to notice. Evaluate expressions involving brackets, indices, and all four operations in the correct order • Explain why the order of operations is necessary to avoid ambiguity • Use the reciprocal of a number and understand that a number multiplied by its reciprocal gives 1
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Can your child evaluate a complex expression like '5 + 2³ ÷ 4' correctly — applying the right order of operations, handling the power before the division and division before the addition?
Use conventional notation for the priority of operations including brackets, powers, roots, and reciprocals; apply BIDMAS/BODMAS consistently to evaluate complex numerical expressions
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Check understanding
- Evaluate expressions involving brackets, indices, and all four operations in the correct order
- Explain why the order of operations is necessary to avoid ambiguity
- Use the reciprocal of a number and understand that a number multiplied by its reciprocal gives 1
“Can your child evaluate a complex expression like '5 + 2³ ÷ 4' correctly — applying the right order of operations, handling the power before the division and division before the addition?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Multiplication & Division
- Age range
- Ages 11–12
Standards