Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 52
Answer: 70 + 52 = 122 -
2. Algebra Substitution
If x = 10, find the value of 6x + 4
Answer: 64 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 17, 8, 19, 8
Answer: 13