Keystones — Bedrock
Five GCSE retrieval questions · 27 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 55
Answer: 62 + 55 = 117 -
2. Algebra Substitution
If x = 4, find the value of 6x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 18, 15, 15, 20, 15
Answer: 16.6