Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 76 + 93
Answer: 76 + 93 = 169 -
2. Algebra Substitution
If x = 10, find the value of 5x + 7
Answer: 57 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 15, 6, 18
Answer: 13