Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 41
Answer: 38 + 41 = 79 -
2. Algebra Substitution
If x = 9, find the value of 8x + 8
Answer: 80 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 19, 15, 5
Answer: 13