Keystones — Bedrock
Five GCSE retrieval questions · 8 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 79 + 75
Answer: 79 + 75 = 154 -
2. Algebra
Simplify: 2x + 5x
Answer: 7x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics
Find the mean of: 6, 6, 2
Answer: 4.6666666666667