Keystones — Bedrock
Five GCSE retrieval questions · 11 March 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 86 + 77
Answer: 86 + 77 = 163 -
2. Algebra Substitution
If x = 9, find the value of 8x + 9
Answer: 81 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 15, 8, 22
Answer: 15