Keystones — Bedrock
Five GCSE retrieval questions · 3 January 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 79 + 48
Answer: 79 + 48 = 127 -
2. Algebra Substitution
If x = 10, find the value of 4x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 13, 20, 3
Answer: 12