Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 21
Answer: 31 + 21 = 52 -
2. Algebra Substitution
If x = 4, find the value of 6x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 10, 10, 14, 19
Answer: 13.25