Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 51
Answer: 66 + 51 = 117 -
2. Algebra Substitution
If x = 9, find the value of 7x + 7
Answer: 70 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 13, 12, 8, 13
Answer: 11.5