Keystones — Bedrock
Five GCSE retrieval questions · 15 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 63
Answer: 52 + 63 = 115 -
2. Algebra Substitution
If x = 9, find the value of 4x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 14, 4, 13, 6
Answer: 9.25