Keystones — Lintel
Five GCSE retrieval questions · 9 April 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 61 + ? = 160
Answer: 99 -
2. Algebra
Solve: 6x - 7 = 2x + 25
Answer: x = 8 -
3. Geometry
Adjacent = 19cm, hypotenuse = 27cm. Find the angle
Answer: 45.3° -
4. Ratio
Calculate 25.7% of 618
Answer: 158.83 -
5. Statistics
A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄11