Keystones — Cornerstone
Five GCSE retrieval questions · 15 August 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 34 + ? = 167
Answer: 133 -
2. Algebra
Collect like terms: 7x + 6y + 2x + 8y
Answer: 9x + 14y -
3. Geometry
Calculate the perimeter of a right triangle with sides 6cm and 10cm
Answer: 27.7cm -
4. Ratio
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics
Calculate the range of: 36, 22, 59, 46, 64, 56
Answer: 42