Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 47
Answer: 93 + 47 = 140 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 8, 8, 7, 15
Answer: 9.5