Keystones — Lintel
Five GCSE retrieval questions · 29 January 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 78 + ? = 109
Answer: 31 -
2. Algebra
Solve: x⁄7 = 2.4285714285714
Answer: x = 17 -
3. Geometry
Opposite = 9cm, adjacent = 10cm. Calculate the angle
Answer: 42° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 6 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄5