Keystones — Bedrock
Five GCSE retrieval questions · 13 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 28
Answer: 43 + 28 = 71 -
2. Algebra Substitution
If x = 10, find the value of 8x + 10
Answer: 90 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 19, 8, 11
Answer: 12.666666666667