Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 12
Answer: 49 + 12 = 61 -
2. Algebra Substitution
If x = 6, find the value of 8x + 8
Answer: 56 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 4, 11
Answer: 9