Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 94 + 20
Answer: 94 + 20 = 114 -
2. Algebra Substitution
If x = 7, find the value of 6x + 7
Answer: 49 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 18, 13, 19
Answer: 16.666666666667