Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: -8 + (-7)
Answer: -15 -
2. Algebra
Solve: x + 13 = 28
Answer: x = 15 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics
Find the range of: 12, 12, 7, 10, 22
Answer: 15