Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 94 + 64
Answer: 94 + 64 = 158 -
2. Algebra Substitution
If x = 8, find the value of 8x + 4
Answer: 68 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 9, 11, 6, 19, 5
Answer: 10