Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 55 + 81
Answer: 55 + 81 = 136 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 17, 10, 16, 22, 5
Answer: 14