Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 39
Answer: 68 + 39 = 107 -
2. Algebra Substitution
If x = 7, find the value of 8x + 8
Answer: 64 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 13, 18, 8, 5
Answer: 11