2. Place Value Talk About Roman Numerals Here is a number system that the Romans used many years ago.


I – 1 V – 5 X – 10 L – 50 C – 100 D – 500 M – 1000


The Romans had different symbols for some of their numbers and formed other numbers by combining these symbols.


For example, 236 written in Roman numerals would be CCXXXVI.


1. Have a go at writing these numbers as Roman numerals. a) 7


f) 35 k) 136


b) 15 g) 27


l) 167 c) 9 h) 49 m) 913


d) 11 i) 52


n) 1250


e) 23 j) 98


o) 4999


Have at look at this simple addition sum using Roman numerals: CCXXXVI + CCXXXVI = CCCCXXXXXXVVII (236 + 236 = )


We can now try to reduce the amount of symbols by renaming some of them: XXXXXX = 60 = LX and VV = 10 = X


So the answer now reads CCCCLXXII (or 472 to you and me!).


Strand: Number 4


Curriculum Objectives: Read, write and order whole numbers and decimals; identify place value in whole numbers and decimals; round whole numbers and round decimals.


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