Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 44
Answer: 39 + 44 = 83 -
2. Algebra Substitution
If x = 8, find the value of 7x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 2, 17, 4, 13
Answer: 9