State Standards associated with this Treasure Hunt: Kansas State Standards for Roman Numerals
Grade Level: 5 Standard: Number Systems and Their Properties: The student demonstrates an
understanding of the whole number system; recognizes, uses, and explains the concepts of properties as
they relate to the whole number system; and extends these properties to integers, fractions (including
mixed numbers), and decimals. Benchmarks: recognizes Roman Numerals that are used for dates, on
clock faces, and in outlines
Roman Numeral Treasure Hunt
Treasure Hunter’s Name ____________________________________
Click the link below or type the link into the web browser to complete the treasure hunt. Follow
the instructions located in the post-it and green highlighted notes on the webpages of the link
above and then answer the following questions. There are no questions for the last web page
since it is just for fun!
http://www.jogtheweb.com/run/wZpWcOKkNNrk/Roman-Numeral-Treasure-Hunt
I.
Website I
What are four ways that Roman Numerals are traditionally used?
II.
What is the biggest difference between Arabic numbers and Roman Numerals?
III.
What does the C stand for? What does that word mean in Latin? Give one example of
how we still use this today.
IV.
What does a horizontal line over the numeral do to that numeral?
V.
Website II
List the four basic principles for reading and writing Roman Numerals.
VI.
Only subtract powers of _________. (fill in the blank, finish this sentence)
VII.
How is the number (14) Fourteen written in Roman Numerals?
VIII.
How is the number (1000) One Thousand written in Roman Numerals?
IX.
Website III
Add to find the value of each Roman Numeral. III means 1+1+1 so III = _________. LXI
means 50+10+1 so LXI = _________. CC = ________
X.
XVI = _________ CLX=___________ CX= _________ CV = _________
XI.
Subtract to find the value of each Roman numeral. IX means 1 from 10 so IX=________.
XL means 10 from 50 so XL= _________. IV=________
XII.
IC=________ XC=________ VL=________ IL=________
XIII.
Add and Subtract to find the value of these Roman Numerals.
XIV.
XIV=_______ CIV=________ XLV=________ XIX=________ CCIX=_______
XV.
How is our decimal number system like the Roman number system? Write a sentence that
tells how the two number systems are alike.
**Think About It Activity – Breaking the Code**
Write your name using Roman Numerals. There are 26 letters in our alphabet, starting with the
letter “A” designate a Roman Numeral for each letter. For example A = I, B = II, C = III, and D = IV
and so on. You can use the space at the bottom of this page to write the alphabet with the Roman
Numerals associated with each letter. Then “break the code” and write your name using Roman
Numerals.
Here is an example:
VIII V I XX VIII V XVIII
H EAT H E R