Keystones — Bedrock
Five GCSE retrieval questions · 13 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 30
Answer: 51 + 30 = 81 -
2. Algebra Substitution
If x = 7, find the value of 8x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 14, 11, 11
Answer: 10.5