Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 15
Answer: 29 + 15 = 44 -
2. Algebra Substitution
If x = 9, find the value of 3x + 5
Answer: 32 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 6, 20, 9
Answer: 11.666666666667