Keystones — Cornerstone
Five GCSE retrieval questions · 4 September 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 146, 155, and 55
Answer: 356 -
2. Algebra
Solve: x + 15 = 34
Answer: x = 19 -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics
Find the mean of: 15, 9, 19, 8
Answer: 12.75