Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 62
Answer: 99 + 62 = 161 -
2. Algebra Substitution
If x = 4, find the value of 7x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 2, 3, 3, 18
Answer: 6.5