Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 43
Answer: 98 + 43 = 141 -
2. Algebra Substitution
If x = 4, find the value of 8x + 3
Answer: 35 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 2, 19, 20
Answer: 13.666666666667