Keystones — Lintel
Five GCSE retrieval questions · 20 June 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 33 + ? = 128
Answer: 95 -
2. Algebra
Solve: x⁄4 = 4.75
Answer: x = 19 -
3. Geometry
Opposite = 9cm, adjacent = 19cm. Calculate the angle
Answer: 25.3° -
4. Ratio
Calculate 32% of 563
Answer: 180.16 -
5. Statistics
A spinner has 3 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄14