Keystones — Bedrock
Five GCSE retrieval questions · 7 February 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 24
Answer: 39 + 24 = 63 -
2. Algebra Substitution
If x = 4, find the value of 8x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 1, 6, 6, 11
Answer: 7