Keystones — Bedrock
Five GCSE retrieval questions · 14 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 26
Answer: 47 + 26 = 73 -
2. Algebra Substitution
If x = 8, find the value of 3x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 15, 8, 9, 14
Answer: 12.8