Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 40
Answer: 47 + 40 = 87 -
2. Algebra Substitution
If x = 9, find the value of 8x + 8
Answer: 80 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 14, 8, 5
Answer: 9