Keystones — Bedrock
Five GCSE retrieval questions · 23 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 23
Answer: 43 + 23 = 66 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 14, 16
Answer: 14.666666666667