Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 78
Answer: 31 + 78 = 109 -
2. Algebra Substitution
If x = 8, find the value of 2x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 11, 6, 2, 17, 14
Answer: 10