Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 45
Answer: 63 + 45 = 108 -
2. Algebra Substitution
If x = 10, find the value of 8x + 3
Answer: 83 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 14, 6, 19, 13
Answer: 13