Keystones — Cornerstone
Five GCSE retrieval questions · 11 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 546 + 348
Answer: 546 + 348 = 894 -
2. Algebra
Collect like terms: 7x + 4y + 4x + 8y
Answer: 11x + 12y -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics
Calculate the mean of: 37, 30, 50, 38, 28, 44, 9, 48
Answer: 35.5