Keystones — Bedrock
Five GCSE retrieval questions · 27 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 30
Answer: 69 + 30 = 99 -
2. Algebra Substitution
If x = 4, find the value of 4x + 8
Answer: 24 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 5, 13, 2, 4
Answer: 6