Keystones — Bedrock
Five GCSE retrieval questions · 1 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 39
Answer: 89 + 39 = 128 -
2. Algebra Substitution
If x = 5, find the value of 7x + 5
Answer: 40 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 7, 17, 18
Answer: 14