Keystones — Bedrock
Five GCSE retrieval questions · 7 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 92
Answer: 88 + 92 = 180 -
2. Algebra Substitution
If x = 3, find the value of 8x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 6, 15, 4, 7
Answer: 8