Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 48 + 47
Answer: 48 + 47 = 95 -
2. Algebra Substitution
If x = 9, find the value of 2x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 18, 10
Answer: 15