Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 31
Answer: 25 + 31 = 56 -
2. Algebra Substitution
If x = 4, find the value of 8x + 11
Answer: 43 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 16, 9, 5
Answer: 10