Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 91
Answer: 47 + 91 = 138 -
2. Algebra Substitution
If x = 7, find the value of 8x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 6, 17, 20, 4, 14
Answer: 12.2