Scientific Instruments

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Algebra Tiles are one-dimensional square and rectangle manipulatives that represent different variables of x. Students will learn algebraic concepts, add and subtract polynomials, factor trinomials, and apply the Zero Principle.

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A sextant is a navigational instrument used to measure the angle between a celestial object (like the sun, moon, or a star) and the horizon, says Unacademy. This angle, known as the altitude, is then used in conjunction with the time of day and published tables to determine a ship's latitude, according to Unacademy. 

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A theodolite model, or simply a theodolite, is a precision optical instrument used for measuring angles in both horizontal and vertical planes. It's a key tool in surveying, engineering, and related fields, allowing for accurate measurement of angles between points for tasks like mapping, construction, and structure alignment.