Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 26 + 60
Answer: 26 + 60 = 86 -
2. Algebra Substitution
If x = 9, find the value of 2x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 21, 5, 15, 13, 11
Answer: 13