Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 47 + 25
Answer: 47 + 25 = 72 -
2. Algebra Substitution
If x = 4, find the value of 8x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 4, 23, 15
Answer: 14