Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 44
Answer: 45 + 44 = 89 -
2. Algebra Substitution
If x = 6, find the value of 8x + 10
Answer: 58 -
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: 18, 3, 16, 14, 8
Answer: 11.8