Keystones — Bedrock
Five GCSE retrieval questions · 10 September 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 16 + 39
Answer: 16 + 39 = 55 -
2. Algebra Substitution
If x = 8, find the value of 4x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 14, 2, 18, 18
Answer: 13