Keystones — Lintel
Five GCSE retrieval questions · 30 December 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 78 + ? = 116
Answer: 38 -
2. Algebra
Solve: 8x + 10 = 6x - 10
Answer: x = 10 -
3. Geometry
Adjacent = 30cm, hypotenuse = 37cm. Find the angle
Answer: 35.8° -
4. Ratio
Find 42% of 378
Answer: 158.76 -
5. Statistics
Find the range of: -7, 31, -4, 17, -11
Answer: 42