Keystones — Cornerstone
Five GCSE retrieval questions · 17 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 546 + 188
Answer: 546 + 188 = 734 -
2. Algebra
Solve: x + 10 = 22
Answer: x = 12 -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 176
Answer: 44 -
5. Statistics
Calculate the mean of: 27, 44, 49, 43, 7, 15
Answer: 30.8