Keystones — Bedrock
Five GCSE retrieval questions · 13 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 15
Answer: 30 + 15 = 45 -
2. Algebra Substitution
If x = 8, find the value of 5x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 3, 3, 8, 8
Answer: 5.5