Keystones — Bedrock
Five GCSE retrieval questions · 10 February 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 78 + 76
Answer: 78 + 76 = 154 -
2. Algebra Substitution
If x = 10, find the value of 5x + 8
Answer: 58 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 9, 3, 13, 8, 17
Answer: 10