The author determine the Bernoulli’s Principles behind the Indigenous Knowledge System and Practices (IKSP) of Manobo Dulangan in Sultan Kudarat and Erumanen Manuvu of Cotabato Province in their craft arts particularly in their bamboo weaving. An ethnographic research, whose main instruments are keen observation of these  two (2) major Indigenous Cultural Communities(ICC’s) mostly coming from Central Mindanao in Sultan Kudarat  and Cotabato province, through the National Culture in Indigenous People (NCIP)-Certificate of Compliance(CoCs), where randomly selected Manobo master weavers executed their masterpiece in bamboo’s weaving with archaeological concepts. The results that all fish scooping baskets of Manobos applied the mathematical concepts of Bernoulli’s Principle like Area one (A1) is larger than Area two(A2) (A1<<A2) or vice versa, directly proportional to the Pressure(P) and the Volume(V) of the water(fresh/salt) going inside the baskets. The Net Force(Fnet) of the water going inside the baskets somewhat affects the fish caught by the Manobos as they use this as the main livelihood in their respective communities. More fishes are caught as well. Further, the geometric designs of the weaving patterns of the fish scooping baskets are also directly connected to the main variables of the Bernoulli’s Principles. Finally the integration of the results in science education is highly recommended.

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Aim: Determine the effectiveness of the Game-Based Learning(GBL) using theSnake-and-Ladder mechanical game boarding in teaching primarymathematics like addition, subtraction, multiplication and division of wholenumbers. Methodology: Descriptive and experimental method. In descriptive method,where the developed mechanical Game-Based Learning, validated by eighty (80) pre-service teachers as major teaching strategy in primary mathematics and tested its’ effectiveness using the pre and post-test design. Results: In validating the mechanical GBL (Game-Based Learning) –A mathematical Snake-and Ladder game boarding in eighty (80) pre-service teachers for their practicum-classroom demonstration, manifested agreeable perceptions (x =4.30) terms of technical quality, content quality and instructional quality. Using the mechanical GBL as major instructional aids in teaching basicmathematics got a very satisfactory (x = 3.50) respondents’ responses in theactual classroom demonstration. Recommendation: Mobile Apps of GBL(Game-Based Learning) development.

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