Keystones — Bedrock
Five GCSE retrieval questions · 24 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 48
Answer: 47 + 48 = 95 -
2. Algebra Substitution
If x = 2, find the value of 7x + 9
Answer: 23 -
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: 7, 8, 14, 12, 20
Answer: 12.2