Keystones — Lintel
Five GCSE retrieval questions · 27 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 664 + 971
Answer: 664 + 971 = 1635 -
2. Algebra
Solve: 9x = 117
Answer: x = 13 -
3. Geometry
Adjacent = 21cm, hypotenuse = 30cm. Find the angle
Answer: 45.6° -
4. Ratio
Simplify: 18:6:18
Answer: 3:1:3 -
5. Statistics
A spinner has 6 red, 5 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄7