Keystones — Bedrock
Five GCSE retrieval questions · 11 May 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 66 + 43
Answer: 66 + 43 = 109 -
2. Algebra Substitution
If x = 8, find the value of 4x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 20, 12, 12, 9, 13
Answer: 13.2