Age 9-11: Cultural Contributions - the Sciences

Unit 2: Mathematics

Activity: Write in Numerals
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Write in Numerals

There are seven letters that represent all Roman numerals. They can be used alone or in various combinations to make every number.

This chart shows how the
numbering system changed.
Roman numeralArabic number
I1
V5
X 10
L50
C 100
D500
M1000
Write the following using Roman numerals.

Your birth year ______________

The year your house was built ______________

The current Super Bowl ______________

Chapter 45 ______________

The year your school was built ______________

Fill in the chart.
XXX
97
53
XC
MMVIII
XLVI
160
7000
LM
555
Answer the following problems.

L – XV = ______

CL + V = ______

M – DL = ______

Activity: Questions About Numbers
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Questions About Numbers

  1. Why do you think Arab scholars dropped Roman numerals and began using the Hindu system?






  2. Why do you think people use Roman numerals today?






  3. What effect do you think the development of zero (0) has had on mathematics?
Islamic mathematics laid the foundation for modern math. Al-Khwarizmi (780-850 CE) was one of the first mathematical faculty members at Dar Al – Hikma or House of Wisdom in Baghdad. This place was dedicated to teaching and learning.

Al – Khwarizmi wrote 2 mathematical text books. One dealt with solutions to mathematical problems with an unknown quantity.

Algebra equations

Roman Numberal Comparision ChartHis second book introduced the Hindu numbering system, which is the 10 numbers 1,2,3,4,5,6,7,8,9, 0 that we are familiar with today. Before these numbers, people were using Roman numerals to write numbers.