Module No.
FINGERPRINT CLASSIFICATION
2ND Semester AY 2020-2021
Aimee J. Goh
Course Instructor
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What Do You Know About
Classification?
Test your general knowledge of the subject matter. Please
answer the following without reading the discussion.
Instruction: Answer the following question by using the group of
pictures as your guide. Use a separate sheet of paper for your answers.
1. Give at least five ways of classifying/organizing/arranging files.
In Henry System there are six classification of fingerprint they are the Primary,
Secondary, Sub-secondary, Major division, Final and Key classification. These
classifications are used for filing purposes. And classification means the sorting
of things into divisions or groups for easy and fast locations.
2. Base on your opinion how do fingerprint cards being arranged or classified so
they can be retrieved for future use later?
The Henry System arranging the fingerprint record base on there alpha-numeric
identification and catalog. While the fingerprint records are arrange based on
their groups or sub-groups and classifications for filing purposes.
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D. Activities/Exercises
NAME: ODOŃO, KIMBERLYN F. DATE:
SECTION: BSCRIM 2-ALPHA RATING:
Laboratory Activity No. 13
BLOCKING OUT
OBJECTIVE: To assess the knowledge of students about symbols of fingerprint
patterns for them to be able to perform blocking out.
DIRECTIONS: Perform blocking out on this set of prints.
RIGHT HAND
T T U X D
LEFT HA ND
A W D C R
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LESSON ASSESSMENT:
1. What is blocking out?
Blocking out it is the process of identifying if what is the specific pattern inside
the box. These is where we write the symbol of the pattern every box
representing the pattern of fingers.
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Laboratory Activity No. 14
PRIMARY CLASSIFICATION
OBJECTIVE: To classify the Primary Classification in a set of prints.
DIRECTIONS: Perform blocking out then obtain the Primary Classification following
the rules. Show your solution.
RIGHT HAND
T T U X D
LEFT HA ND
A W D C R
Answer: ___11___
8
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LESSON ASSESSMENT:
1. What are the patterns used to obtain the PC?
All whorl pattern is used in Primary classification they are pair off and have pre-
assign value for each pair. The first pair should have a value of 16 and this value
is reduced by half which is 8 and it will be the value of next pair and same to the
next pair the 8 will be reduce by half which is equal to 4 and so on until the last
pair will have a fix value of 1. But this pre-assigned value is only applicable if the
pattern inside the box is whorl if happened that the pattern appeared to be loop
or arches it will have the value of zero.
2. What is the highest and lowest combination in the PC?
The highest value for Primary classification is 16 which belong to the first pair
of fingers and the lowest value is 1 which is for the last pair of fingers.
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Laboratory Activity No. 15
SECONDARY CLASSIFICATION (SC)
OBJECTIVE: To be able to obtain the Secondary Classification in a set of prints.
DIRECTIONS: Do the following on the set of prints below:
1. Perform Blocking out
2. Get the Primary showing the solution
3. Classify the Secondary Classification following the rules.
RIGHT HAND
T T U X D
LEFT HA ND
A W D C R
Answer: _____11 T_____ = t T__
8W a W--r
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Evaluation Questions:
1. What are the fingers used in obtaining the SC?
For the Secondary Classification the index fingers are used for numerator and
denominator.
2. What are the symbols to be used in the SC?
The Secondary classification is symbolized by capital letters of the patterns
represented by the two index fingers after the primary classification in the
classification line. Secondary classification is represented by capital letters of
the pattern that appeared to the index fingers there are letters that correspond
every pattern of the fingers.
3. What are the two groups that belong to the SC?
4. The two groups under the Secondary Classification are the capital letters group
and the small letters group. The capital letters represent the pattern of index
fingers while the small letters represent the three classification of fingerprint
pattern and these are the plain arch, tented arch and loops. Excluding the index
fingers.
5. Discuss the steps in obtaining the Secondary Classification.
Obtaining the Secondary Classification is so easy if you identify the pattern
within the box by performing the blocking out after that you just need to focus
in the two fingers which is the index fingers just write the capital letters that
represent the pattern that appeared on the index finger and identify the pattern
in the remaining fingers which will be written in small letter if they happened to
be plain arch, tented arch or loops but if the pattern is whorl it will be represent
by dash in classification line.
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Laboratory Activity No. 16
SUB SECONDARY CLASSIFICATION (SSC) for LOOPS
OBJECTIVE: To classify the Sub-Secondary Classification for loops in a set of prints.
DIRECTIONS: Given a set of prints using symbols, draw the patterns in the respective
fingers, and then obtain the Primary, Secondary and Sub-Secondary Classification
following the rules for loops.
RIGHT
HAND
R U R
x 8 ridges 8 ridges 13 ridges C
LEFT HAND
U U
D 11 ridges 12 ridges AMP U
RIGHT HAND
LEFT HAND
Answer: 5 R III Secondary small letter: R-r or -R-r--
21 U OOI U-r -U-r-
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Laboratory Activity No. 17
SUB SECONDARY CLASSIFICATION (SSC) for WHORLS
OBJECTIVE: To obtain the Sub-Secondary Classification for Whorls in a set of prints.
DIRECTIONS: Given a set of prints using symbols get the Primary, Secondary, and
the Sub-Secondary Classification following the rules for whorls.
RIGHT HAND
W W
R 6 ridges above 0 ridges below AMP W
ridge delta right delta
LEFT HAND
D W W
U 2 ridges below 0 ridges 4 ridge below R
the right delta right delta
Answer: ___25 W IMO = rW
16 D MMO D--r
Evaluation questions: Answer the following questions using your own words.
1. Enumerate the steps of ridge tracings for whorls.
There are rules for the tracing of the whorls pattern by following these rules
you’ll be able to trace it easily. For tracing a whorl pattern, you have to trace
from the farthest left delta to a point opposite the farthest right delta when there
are three or more deltas present. And if the tracing line is broken you have to
drop down at ending ridges. And if the trancing line bifurcate you have to follow
the lower fork at a bifurcation. And finally, you have to stop at a point opposite
the right delta and count ridges between that point and the delta.
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Laboratory Activity No. 18
SUB SECONDARY CLASSIFICATION (SSC) for ARCHES
OBJECTIVE: To classify the Sub-Secondary Classification for arches in a set of prints.
DIRECTIONS: Obtain the Primary, Secondary, and Sub-Secondary Classification
following the rules for arches.
RIGHT
HAND
A T A W D
LEFT HAND
D T T T
FMB
Answer: 14 T –M =aTa
5 T --- T 2t
Evaluation questions: Answer the following questions using your own words.
1. State the rules used for arches in the sub secondary division.
Under this classification the fingers concerned are the six fingers which is the index,
middle and ring and the opposite fingers. They will be the numerator and denominator
on the classification line. The right fingers will be the numerator and the left are the
denominator. When Plain and Tented Arches pattern are found, these patterns are
neither ridge-counted nor ridge-traced. They are merely represented by a dash on the
Classification line.
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Laboratory Activity No. 19
SUB SECONDARY CLASSIFICATION (SSC) for LOOPS, WHORLS and
ARCHES
OBJECTIVE: To obtain the Sub-Secondary Classification for loops, whorls, and
arches in a set of prints.
DIRECTIONS: Given a set of prints using symbols obtain the Primary, Secondary and
Sub-Secondary Classification write it in the classification line provided below.
RIGHT HAND
X U A C C
12 ridges 4 ridges above
the right delta
LEFT HAND
D T R A
11 ridges W
Answer: 16 U O-I = Ua
22 T -O- Tra
Evaluation question:
1. What is a classification line?
The classification line is the line that can be located at the upper right corner of
a fingerprint card where the classification formula is written. It is where the
classification of each fingerprint was written for their corresponding division of
classifications.
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Laboratory Activity No. 20
HENRY CLASSIFICATION FORMULA 1
To classify the given sets of impressions
DIRECTIONS: Perform the steps in classifying using the Henry classification formula.
Give the classification of the six divisions.
FPC:8 – 11 T – I O 21
- 8 W MIO 13
RIGHT HAND
T T U X D
LEFT HA ND
A W D C R
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Laboratory Activity No. 21
HENRY CLASSIFICATION FORMULA 2
To perform classification
DIRECTIONS: Perform the steps in classifying using the Henry classification
formula. Give the classification of the six divisions.
FPC: 9 S 16 T -OO 17
I 11 X OOI 11
RIGHT HAND
R T D W R
LEFT HA ND
C X X U W
= r T—r
X
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Laboratory Activity No. 22
CLASSIFYING AMPUTATIONS
To classify fingerprint cards from a subject whose fingers are amputated.
DIRECTIONS: Classify this card and write the classification of the six divisions.
FPC: ____M 32 W MMM__
M 32 W MMM
RIGHT HAND
AMP AMP AMP AMP AMP
LEFT HAND
AMP AMP AMP AMP AMP
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NAME: DATE:
SECTION: RATING:
Laboratory Activity No. 23
CLASSIFYING AMPUTATIONS AND FINGERS MISSING AT BIRTH
OBJECTIVE: To classify fingerprint cards from a subject whose fingers are amputated
and missing at birth.
DIRECTIONS: Using the Henry Classification Formula, classify the sets of prints.
Laboratory Activity No. 23 is on a separate worksheet
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NAME: DATE:
SECTION: RATING:
Laboratory Activity No. 24
CLASSIFYING FINGERPRINT CARD
OBJECTIVE: To perform classification with mastery.
DIRECTIONS: Using the Henry Classification Formula, classify the sets of prints.
Laboratory Activity No. 24 is on a separate worksheet
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E. Evaluation/Post-test “Try What You Learned”
This test will measure your knowledge of the topics covered in this
module.
Direction:
The post-test will be given on thatquiz.org on June 7, 2021
REFERENCES
“Tell Me What, Where, When, Why and How”
Montojo, F.G. (2006). Observation and description. Mandaluyong city.
Montalba, E.T. (2010). A means of personal identification. Quezon City.
Vicente, J.B. (2013). Dactyloscopy; a textbook on personal identification. Nueva Ecija
Lapina, M.S. Review notes in fingerprint identification. Available at
www.criminologyreviewer. weebly.com
Sharma, A. (n.d.) Henry fingerprint classification system. Key, major, primary,
secondary, sub secondary. Forensic Reader.com. Available at
https://forensicreader.com/henry-fingerprint-classification-system/#
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