Keystones — Bedrock
Five GCSE retrieval questions · 15 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 54
Answer: 92 + 54 = 146 -
2. Algebra Substitution
If x = 8, find the value of 8x + 11
Answer: 75 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 8, 20, 3, 13
Answer: 11