Keystones — Bedrock
Five GCSE retrieval questions · 28 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 97
Answer: 76 + 97 = 173 -
2. Algebra Substitution
If x = 8, find the value of 6x + 4
Answer: 52 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 5, 8, 6, 13, 3
Answer: 7