Keystones — Bedrock
Five GCSE retrieval questions · 21 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 74
Answer: 52 + 74 = 126 -
2. Algebra Substitution
If x = 6, find the value of 4x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 12, 6, 13, 6, 11
Answer: 9.6