Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 86 + 28
Answer: 86 + 28 = 114 -
2. Algebra Substitution
If x = 4, find the value of 8x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 5, 15, 7
Answer: 9