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IGCSE
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Edexcel
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Math a
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Foundation
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Concept
Current concept
1 Numbers and the number system
2.8.B Open and closed intervals
Syllabus
2017
Objective
2.8
Level
Foundation
2.8.B Open and closed intervals
understand and use the convention for open and closed intervals on a number line
Concept
IGCSE Math A Foundation
Lesson
Practice