Keystones — Bedrock
Five GCSE retrieval questions · 2 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 11
Answer: 31 + 11 = 42 -
2. Algebra Substitution
If x = 5, find the value of 8x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 12, 3, 12
Answer: 9