Keystones — Bedrock
Five GCSE retrieval questions · 14 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 54
Answer: 86 + 54 = 140 -
2. Algebra Substitution
If x = 6, find the value of 4x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 10, 9, 13, 16, 7
Answer: 11