Keystones — Bedrock
Five GCSE retrieval questions · 19 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 78
Answer: 91 + 78 = 169 -
2. Algebra Substitution
If x = 3, find the value of 4x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 9, 11, 8, 4, 16
Answer: 9.6