Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 31
Answer: 76 + 31 = 107 -
2. Algebra Substitution
If x = 8, find the value of 4x + 11
Answer: 43 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 4, 18, 2, 20
Answer: 11