Keystones — Cornerstone
Five GCSE retrieval questions · 4 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 56 + 93
Answer: 56 + 93 = 149 -
2. Algebra
Collect like terms: 4x + 6y + 6x + 8y
Answer: 10x + 14y -
3. Geometry
Opposite = 17cm, adjacent = 8cm. Calculate the angle
Answer: 64.8° -
4. Ratio
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics
Calculate the mean of: 14, 27, 35, 43, 7, 8
Answer: 22.3