Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 87
Answer: 57 + 87 = 144 -
2. Algebra Substitution
If x = 2, find the value of 8x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 6, 18, 11, 5
Answer: 10