Keystones — Bedrock
Five GCSE retrieval questions · 22 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 69
Answer: 79 + 69 = 148 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 12, 5, 11
Answer: 9.3333333333333