Keystones — Bedrock
Five GCSE retrieval questions · 1 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 51
Answer: 25 + 51 = 76 -
2. Algebra Substitution
If x = 8, find the value of 5x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 4, 2, 22, 12
Answer: 10