Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 79
Answer: 89 + 79 = 168 -
2. Algebra Substitution
If x = 2, find the value of 6x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 5, 19, 18
Answer: 14