Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 36
Answer: 90 + 36 = 126 -
2. Algebra Substitution
If x = 3, find the value of 3x + 7
Answer: 16 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 14, 4, 15
Answer: 11