Keystones — Lintel
Five GCSE retrieval questions · 28 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 648
Answer: 1639 -
2. Algebra
Solve: 6x = 48
Answer: x = 8 -
3. Geometry
Find c if a = 18cm and b = 17cm in a right triangle
Answer: 24.8cm -
4. Ratio
Find 48% of 128
Answer: 61.44 -
5. Statistics
A spinner has 5 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄13