Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 86
Answer: 70 + 86 = 156 -
2. Algebra Substitution
If x = 4, find the value of 4x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 7, 8, 19, 10
Answer: 11