Keystones — Bedrock
Five GCSE retrieval questions · 19 April 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 42 + 67
Answer: 42 + 67 = 109 -
2. Algebra Substitution
If x = 5, find the value of 5x + 7
Answer: 32 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 15, 3, 20
Answer: 12.666666666667