Keystones — Bedrock
Five GCSE retrieval questions · 26 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 68
Answer: 79 + 68 = 147 -
2. Algebra Substitution
If x = 3, find the value of 8x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 2, 11, 9, 4, 19
Answer: 9