Keystones — Lintel

Five GCSE retrieval questions · 9 June 2023 · mathsvault.uk/keystones

1. Number

Add: ²⁄₅ + ¹⁄₃

Answer: ¹¹⁄₁₅
2. Algebra

Collect like terms: 4x + 8y + 4x + 4y

Answer: 8x + 12y
3. Geometry

Calculate the hypotenuse when a = 5cm and b = 6cm

Answer: 7.81cm
4. Ratio

Calculate 25.6% of 789

Answer: 201.98
5. Statistics

Find the range of: -21, 0, 30, -13, 39

Answer: 60

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