Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 45 + 44
Answer: 45 + 44 = 89 -
2. Algebra Substitution
If x = 5, find the value of 8x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 12, 11, 19
Answer: 13