Keystones — Bedrock
Five GCSE retrieval questions · 23 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 91
Answer: 90 + 91 = 181 -
2. Algebra Substitution
If x = 10, find the value of 4x + 12
Answer: 52 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 16, 10, 8, 4, 18
Answer: 11.2