Keystones — Bedrock
Five GCSE retrieval questions · 21 December 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 64 + 62
Answer: 64 + 62 = 126 -
2. Algebra Substitution
If x = 4, find the value of 4x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 9, 18, 12
Answer: 13