Keystones — Bedrock
Five GCSE retrieval questions · 29 October 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 61 + 28
Answer: 61 + 28 = 89 -
2. Algebra Substitution
If x = 2, find the value of 3x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 11, 9, 15, 6
Answer: 9.8