Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 76
Answer: 71 + 76 = 147 -
2. Algebra Substitution
If x = 10, find the value of 8x + 6
Answer: 86 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 19, 3, 12, 6
Answer: 10