Keystones — Bedrock
Five GCSE retrieval questions · 11 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 29
Answer: 77 + 29 = 106 -
2. Algebra Substitution
If x = 4, find the value of 2x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 16, 8, 8, 11, 2
Answer: 9