Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 30 + 48
Answer: 30 + 48 = 78 -
2. Algebra Substitution
If x = 10, find the value of 8x + 12
Answer: 92 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 11, 3, 9, 9
Answer: 8