Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 78
Answer: 68 + 78 = 146 -
2. Algebra Substitution
If x = 3, find the value of 8x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 4, 15, 16
Answer: 11.666666666667