Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 28 + 28
Answer: 28 + 28 = 56 -
2. Algebra Substitution
If x = 2, find the value of 8x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 17, 6, 13
Answer: 12