Keystones — Bedrock
Five GCSE retrieval questions · 26 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 48
Answer: 25 + 48 = 73 -
2. Algebra Substitution
If x = 3, find the value of 4x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 7, 18, 12, 6, 17
Answer: 12