Keystones — Bedrock
Five GCSE retrieval questions · 22 March 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 65 + 57
Answer: 65 + 57 = 122 -
2. Algebra Substitution
If x = 7, find the value of 8x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 17, 6, 12, 6, 15
Answer: 11.2