Keystones — Bedrock
Five GCSE retrieval questions · 10 February 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 93 + 29
Answer: 93 + 29 = 122 -
2. Algebra Substitution
If x = 9, find the value of 8x + 7
Answer: 79 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:20
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 12, 5, 13
Answer: 10