The document discusses different numeration systems including Egyptian symbols, Roman numerals, and the decimal system. It provides examples of writing numbers using Roman numerals and exercises for writing numbers using the decimal system within given ranges. The decimal system is explained up through billions and includes the dictation of numbers.

1. NUMERATION SYSTEMS
Egyptians symbols
1. Working with Egyptians symbols.
Example:
142
356
1742
10.345
The Roman numeral System
I V X L C D M
One Five Ten Fifty One Hundred Five Hundred One Thousand
2. Working with Roman numerals.
a) 564
b) 2.345
c) 769
d) 176
e) 53

2. The Decimal Numeration System
0 1 2 3 4 5 6 7 8 9 10
zero one two three four five six seven eight nine ten
20 30 40 50 60 ……… 100 200
Twenty Thirty Forty Fifty Sixty ……… A Hundred Two Hundred
1.000 2.000 ….
A Thousand Two Thousand ….
1.000.000 2.000.000 ….
A Million Two Million ….
1.000.000.000 2.000.000.000 ….
A Billion Two Billion
3. Put the digits to make a number between 347 and 350.
4. Put the digits to make a number between 965 and 968.
5. Put the digits to make a number between 1.649 and 1.653.
6. Put the digits to make a number between 43.576 and 44.753.
7. Put the digits to make a number between 963.277 and 963.279.
8. Put the digits to make a number between 8.763.277 and 8.863.280.

3. 9. Dictation of numbers.
© Victoria Bejarano 2010