Learning Roman Numbers: One component at a time
Learning Objectives To convert Roman numbers to Hindu-Arabic numbers What are the big ideas that students have to learn? 1) Memorizing these Roman Symbols with their respective Hindu-Arabic value 2) When to do addition and when to do subtraction based upon the position of Roman Symbols 1) Memorizing these Roman Symbols with their respective Hindu-Arabic value Without memorizing the mapping of Roman Symbols to its respective Hindu-Arabic value, students can't reach their learning outcomes. The mapping is very hard to memorize. So it's critical to provide them memory tricks for it. Kids usually know 1) I means 1 2) V means 5 3) X means 10 But what about other symbols, here are the memory tricks that students have to imagine. 4) L means 50 So tell them L means (L)ake, and Lake is half filled (50%) 5) C means 100 Tell them C means see and see is a full (100%) eye 6) D means 500 Choose a student whose name starts with D and give him/her a Rs 500 7) M means 1000 The child gave Rs 10...