What is PIMSO?

The Philippine International Math and Science Olympics, PIMSO for brevity, is an international competition in Mathematics and Science for Kindergarten, six Primary Levels (Grades 1 to 6), four Secondary Levels (Grades 7 to 10) and one Senior Secondary Level (Grade 11 & 12).  It aims to promote excellence and proficiency in Mathematics and Science through friendly global competitions and to promote Philippine tourism to other country partners worldwide.

  1. Kindergarten & Lower Primary Levels (Grades 1 to 2)
    1. Arithmetic and Number Theory – Number & Number Sense, Fundamental Operations, Cryptarithm/Alphametics, Least/Greatest Number, Ordinals, Fractions, and Other Operations.
    2. Logical Analysis – Comparison and Replacement, Excess-Shortage Calculations, Assumptions (Cars & Bicycles, Chicken & Rabbit), Recursive Patterns, Page Number Problems, Tessellations; and Shortest Path Analysis.
    3. Geometry – Perimeter, Area, Geometric Figures (Counting Figures and Symmetry), and Measurements of Time, Money, Temperature, etc.
    4. Combinatorics – Pigeonhole Principle, Counting Principle, Arrangement, and Probability.
  2. Middle and Upper Primary Levels (Grades 3 to 6)
    1. Arithmetic and Number Theory – Number & Number Sense, Fundamental Operations, Cryptarithm/Alphametics, Least/Greatest Number, Ordinals, Fractions, Decimals, Percent, Ratio and Proportion, Order of Operations, Remainder Theorem, Number Patterns, Other Operations, Prime Factorization, Divisibility, Greatest Common Factor, Least Common Multiple, Euclidean Algorithm, Modular Arithmetic, Indices,  and Bases other than 10.
    2. Logical Analysis – Comparison and Replacement, Excess-Shortage Calculations, Assumptions (Cars & Bicycles, Chicken & Rabbit), Recursive Patterns, Page Number Problems, Maximum/Minimum Concept, Approximations, Variable Relationships, Truth Analysis, Data Handling, Work Problem, Venn Diagram, Tessellations; and Shortest Path Analysis
    3. Geometry – Perimeter, Area, Surface Area, Volume, Geometric Figures (Counting Figures and Symmetry), Measurements of Time, Money, Temperature, Pythagorean Theorem (Pythagorean Triples), Congruence, Money Problem, Motion Problem, and Clock Problem
    4. Combinatorics – Pigeonhole Principle, Counting Principle, Arrangement, Stairs Problem (Fibonacci series), Permutation, Combination, and Probability.
  3. Secondary Levels
    1. Number Theory – Number & Number Sense; Real Numbers; Infinite Complex Fractions;  Divisibility; Ratio, Proportion and Variations; Indices and Radicals; Bases other than 10; Modular Arithmetic, Diophantine Equation and Euclidean Algorithm; Fermat’s Theorem; Sums of Divisors; The Φ Function; Wilson’s Theorem; The Pell Equation; and General Methods.
    2. Logical Analysis – Mathematical Induction; Infinite Series; Progressions (Sequences & Series); Summation; Set Theory; Model Theory; and Recursion Theory.
    3. Algebra – Indices and Radicals; Factorization and Manipulations; Polynomials; Functions (Transformation and Inversion); Linear & Quadratic Functions; Systems of Linear & Quadratic Equations; Absolute Value Inequalities; Trivial Inequality; Linear & Quadratic Inequalities; Binomial Theorem; Remainder Theorem; Rational Expressions; Exponential and Logarithmic Functions
    4. Geometry – Plane Figures (Perimeters, Areas); Analytic Geometry (Coordinates, Distance, Slopes, Circles & Conics);  Three Dimensional Geometry (Cubes, Boxes, Cylinders, Spheres, Prisms, Cones, Pyramids, and Polyhedron);  Translations (Shifts, Turns, Flips, Stretches, Squeezes); Triangles (Angles and Trigonometric Functions) and Triangle Similarities & Congruencies; and Quadrilaterals and Polygons.
    5. Combinatorics – Identities; Pascal’s Identity; Binomial Theorem; Counting and Probability (Constructive Counting, 1-1 Correspondence, Pigeonhole Principle); Fibonacci Numbers, Recursion; Permutation; Combination; Expectation; and Conditional Probability.

Each participant’s test booklet is provided with the following guidelines:

  1. Kindergarten & Primary Levels (Grades 1 to 6)
    1. You have 90 minutes to finish the test.
    2. You may write your solutions on the TEST BOOKLET.
    3. Write your answers on the ANSWER SHEET.
    4. After the test, you must SUBMIT to the proctor both the TEST BOOKLET and the ANSWER SHEET.
    5. This test covers FOUR (4) CATEGORIES namely: ARITHMETIC & NUMBER THEORY, LOGICAL ANALYSIS, GEOMETRY, and COMBINATORICS.
    6. There is a total of thirty (30) questions in this test.  Each correctly answered question will be marked five (5) points.  No point shall be deducted for incorrect answer.
    7. You are NOT ALLOWED to use any calculating device during the test proper.
    8. Any form of cheating is a ground for DISQUALIFICATION.
  2. Secondary Levels (Grades 7 to 10) & Senior Secondary Level (Grades 11 & 12)
    1. You have 90 minutes to finish the test.
    2. You may write your solutions on the TEST BOOKLET.
    3. Write your answers on the ANSWER SHEET.
    4. After the test, you must SUBMIT to the proctor both the TEST BOOKLET and the ANSWER SHEET.
    5. This test covers FIVE (5) CATEGORIES namely:  NUMBER THEORY, LOGICAL ANALYSIS, ALGEBRA, GEOMETRY, and COMBINATORICS.
    6. There is a total of thirty (30) questions in this test.  Each correctly answered question will be marked five (5) points.  No point shall be deducted for incorrect answer.
    7. You are NOT ALLOWED to use any calculating device during the test proper.
    8. Any form of cheating is a ground for DISQUALIFICATION.
  1. National Round – PIMSO Awards Committee shall recognize the participants in this manner:
    1. Higher 60% of the total number of participants shall qualify to the International Round and shall be entitled to one of these awards based on their scores:
      1. 4 Mistakes or Less (130 points & higher) – Gold Medal
      2. 5 to 7 Mistakes (115 to 125 points) – Silver Medal
      3. 8 to 10 Mistakes (100 to 110 points) – Bronze Medal
      4. Remaining Participants – Achiever Medal

        Global Ranking Special Award per level, if applicable:
        1. Champion – Trophy + USD 50
        2. First Runner Up – Trophy + USD 30
        3. Second Runner Up – Trophy + USD 20
    2. Lower 40% of the participants shall receive either of the following:
      1. Upper 50% – Merif Certificate
      2. Lower 50% – Participation Certificate
  2. International Round – PIMSO Awards Committee shall recognize and  award the participants based on the following criteria:
    1. 4 Mistakes of Less (130 points & higher) – Gold Medal
    2. 5 to 7 Mistakes (115 to 125 points) – Silver Medal
    3. 8 to 10 Mistakes (100 to 110 points) – Bronze Medal
    4. Remaining Participants (Below 100 points) – Achiever Medal

      Special Awards – For every level, the PIMSO Awards Committee shall give additional awards to:
      1. Perfect Scorer* – 24k Gold Necklace with PIMSO Pendant
      2. Champion (Rank 1) – Trophy + USD 100
      3. First Runner Up (Rank 2) – Trophy + USD 75
      4. Second Runner Up (Rank 3) – Trophy + USD 50
      5. All Participants – Philippine Eagle Stuff Toy

        *Anyone who gets a perfect score in the test and the bonus question.

PIMSO shall give its country partners the prerogatives to choose the specific date of the holding of their respective National Round sometime between March and May 2021.  Results will be posted two (2) weeks after the sitting date.

The International Round is tentatively scheduled on April 22-25, 2022 in Boracay Island, Municipality of Malay in the province of Aklan in the Philippines.

Each country partner shall conduct their respective awarding ceremony within two months after the competition.

Global ranking shall be available for posting and dissemination not later than June 30, 2021.  This shall also be posted in the official PIMSO website, www.pimso.org.

In dealing with ties in scores in the first three ranks, the PIMSO Test Committee will break the tie in the following manner:

  1. The committee shall go over the test booklets and answer sheets of the concerned participants and whoever has the better solution shall be declared the winner. 
  2. Should there still be ties after this measure, the scores of the contestants in the National Round shall be compared and whoever has the higher score shall be declared the winner.
  3. Should there still be ties after the second tie-breaking measure, the age of the concerned participants shall be compared and whoever is younger in months or years shall be declared the winner.
  4. If the tie has not been settled after the third tie-breaking measure, the committee shall require the concerned participants to undergo a tie-breaking test compose of five (5) questions and whoever gets a higher score shall be declared the winner. 
  5. The decision of the PIMSO Test Committee shall be final and irreversible.

Two (2) weeks after the culmination of the International Round, PIMSO will post the official result of the competition in its website, www.pimso.org.

  1. Elementary/Primary Levels (Grades 1 to 6)
    The syllabus includes the following subject domains:
    1. Biology – animals and plants; human body systems; life stages and development; adaptations; food chain and food webs; seed dispersion and plant propagation.
    2. Chemistry – materials used in everyday life (properties and intended uses); observable changes in matters; salts; pollution effects; heating and cooling effects on materials (metals and nonmetals); food and household products.
    3. Physics – movement of gears; effects of motion; effects of temperature; electricity and electrical circuits; sound; and, simple machines.
    4. Earth and Environmental Sciences – seasons; direction of shadows; weather and clouds; rocks; wind, water, and air; food chain and food webs; weathering and erosion; land forms and water forms.
    5. Space Sciences – space phenomenon; phases of the moon; position of starts; solar system; heavenly bodies; and, meteorology.
  2. Secondary Levels
    The syllabus includes the following subject domains:
    1. Biology – cell organelles; cell transport; cell division; DNA and protein synthesis; from molecules to organisms; mutations; population genetics; cell respiration; photosynthesis; ecology; evolution; population genetics; inheritance and variation of traits; evolution and natural selection; taxonomy; energy and dynamics.
    2. Chemistry – matter and its properties; measurements; atoms, molecules and ions; stoichiometry; gas laws; electronic structure of atoms; electronic structure and periodicity; chemical bonding & ionic bonds; covalent bonds; organic compounds; intermolecular forces, liquids and gases; physical properties of solution; thermochemistry; chemical kinetics; chemical thermodynamics; chemical equilibrium; acid, base, salts equilibria; electrochemistry.
    3. Physics – Units and Measurement; Vectors and Projectiles; Kinematics; Newton’s Laws; Forces in Two Dimensions; Work, Energy and Power; Center of Mass, Momentum, Impulse and Collisions; Rotational Equilibrium and Rotational Dynamics; Gravity; Periodic Motion; Mechanical Waves and Sounds; Fluid Mechanics; Temperature and Heat; Ideal Gases and Laws of Thermodynamics; Static Electricity; Electric Circuits; Light and Color; Reflection and Mirrors; Refraction and Lenses.
    4. Earth and Environmental Sciences – origin and structure of the earth; plate tectonics; earth materials and processes; natural hazards, mitigation, and adaptation; history of the earth; geology, minerals and energy; the scientific method; ecology; the biosphere; climate, hydrosphere and atmosphere; population; the land, forests and soil; water resources and water pollution; energy and resources; societies and policy; sustainability and the human endeavor; waste management.
    5. Space Sciences – formation of the universe; universe; galaxies; the big bang; black holes; space explorations; solar system; earth moon system; earth in the solar system; measuring distances in the solar system and beyond; parallax and distance to asteroids; weather; planetology; comparing planets and stars; cosmic scale and cosmic address; space geology; space life; and space medicine
  1. National Round
    Each participant’s test booklet in the National Round is provided with the following guidelines for both Primary Levels (Grades 1 to 6)and Secondary Levels (Grade 7 to 10 and Senior Secondary):
    1. You have seventy-five (75) minutes to finish the test.
    2. This test covers FIVE (5) SUBJECT DOMAINS namely:  Biology, Chemistry, Physics, Earth & Environmental Sciences, and Space Sciences.
    3. There is a total of thirty (30) Multiple-Choice Questions in this test.  Each correctly answered question shall be marked five (5) points.  No points shall be deducted for incorrect answers.
    4. You must shade properly the ovals that correspond to the letters of your answers on the ANSWER SHEET.
    5. You may draw illustrations or write your solutions on the TEST BOOKLET.
    6. You are NOT ALLOWED to use any gadget during the test proper.
    7. Any form of cheating is a ground for DISQUALIFICATION.
    8. After the test, you must SUBMIT to the proctor both the TEST BOOKLET and the ANSWER SHEET.
  2. International Round
    Each participant’s test booklet in the National Round is provided with the following guidelines for both Primary Levels (Grades 1 to 6)and Secondary Levels (Grade 7 to 10 and Senior Secondary):
    1. You have seventy-five (75) minutes to finish the test.
    2. This test covers FIVE (5) SUBJECT DOMAINS namely:  Biology, Chemistry, Physics, Earth & Environmental Sciences, and Space Sciences.
    3. This test is composed of thirty (30) Multiple-Choice Questions and five (5) Open-ended Questions.  Each correctly answered Multiple-Choice Question will be marked five (5) points and each Open-ended Question will be marked ten (10) points.  No points shall be deducted for incorrect answers.
    4. You must shade properly the ovals that correspond to the letters of your answers in the Multiple-Choice Questions and write your answers to the Open-ended Questions on the space provided in the ANSWER SHEET.
    5. You may draw illustrations or write your solutions on the TEST BOOKLET.
    6. You are NOT ALLOWED to use any gadget during the test proper.
    7. Any form of cheating is a ground for DISQUALIFICATION.
    8. After the test, you must SUBMIT to the proctor both the TEST BOOKLET and the ANSWER SHEET.
  1. National Round – PIMSO Awards Committee shall recognize the participants in this manner:
    1. Higher 60% of the total number of participants shall qualify to the International Round and shall be entitled to one of these awards based on their scores:
      1. 4 Mistakes or Less (130 points & higher) – Gold Medal
      2. 5-7 Mistakes (115 to 125 points) – Silver Medal
      3. 8-10 Mistakes (100 to 110 points) – Bronze
      4. Remaining Participants – Achiever Medal

        Global Ranking Special Award per level, if applicable:
        1. Perfect Scorer – Trophy, Free Training
        2. Champion – Trophy + Php 2500
        3. First Runner Up – Trophy + Php 1500
        4. Second Runner Up – Trophy + Php 1000
    2. Lower 40% of the participants shall receive either of the following:
      1. Upper 50% – Merit Certificate
      2. Lower 50% – Participation Certificate
  2. International Round – PIMSO Awards Committee shall recognize and  award the participants based on the following criteria:
    1. 4 Mistakes or Less (130 points & higher) – Gold Medal
    2. 5-7 Mistakes (115 to 125 points) – Silver Medal
    3. 8-10 Mistakes (100 to 110 points) – Bronze Medal
    4. Remaining Participants – Achiever Medal (Below 100 points)

      Special Awards – For every level, the PIMSO Awards Committee shall give additional awards to:
      1. Perfect Scorer* – 24k Gold Necklace with PIMSO pendant
      2. Champion (Rank 1) – Trophy + Php 5000
      3. First Runner Up (Rank 2) – Trophy + Php 3500
      4. Second Runner Up (Rank 3) – Trophy + Php 2500
      5. All Participants – Philippine Eagle Stuff Toy

        *Anyone who gets a perfect score in the test and the bonus question.

PIMSO shall give its country partners the prerogative to choose the sitting date of their National Round. This can be anytime between April and May 2021. Results will be posted two (2) weeks after the sitting date.

The International Round is tentatively scheduled on April 22-25, 2022 in Boracay Island, Municipality of Malay in the province of Aklan in the Philippines.

Each country partner shall conduct their respective awarding ceremony within two months after the competition.

Global ranking shall be available for posting and dissemination not later than August 30, 2021.  This shall also be posted in the official PIMSO website, www.pimso.org.

In dealing with ties in scores in the first three ranks, the PIMSO Test Committee will break the tie in the following manner:

  1. The scores of the contestants in the National Round shall be compared and whoever has the higher score shall be declared the winner.
  2. Should there still be ties after the first tie-breaking measure, the age of the concerned participants shall be compared and whoever is younger in months or years shall be declared the winner.
  3. If the tie has not been settled after the second tie-breaking measure, the committee shall require the concerned participants to undergo a tie-breaking test compose of five (5) questions and whoever gets a higher score shall be declared the winner.
  4. The decision of the PIMSO Test Committee shall be final and irreversible.

Two (2) weeks after the culmination of the International Round, PIMSO will post the official result of the competition in its website, www.pimso.org.