Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 76
Answer: 22 + 76 = 98 -
2. Algebra Substitution
If x = 4, find the value of 8x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 11, 3, 16
Answer: 10