Semanticos

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Angles: type of angles, measure and operations

You'll learn the different types of angles and how to measure them and perform accurate operations.

At the end of the theorical explanation, you can practice or create 5 exercises to master this su ...

Surface area units: cm² and m²

The intent is to acquire a mental image of these Metric System units by presenting surfaces that are easily recognisable to the student and whose area is approximately one cm² or one m².

Measurement in quantum mechanics

Concept of measurement in quantum mechanics

Simple and complex expressions of a measurement of mass

Practises the transformation of a simple expression of a measurement of mass into an equivalent complex expression, and vice versa.

Units of mass in the DMS

The units of mass in the DMS are presented, along with their equivalents, drawing on parallels with the DNS and multiplication and division by a unit followed by zeroes.

Adding and subtracting measurements of mass

Everyday problems are posed that are solved by adding or subtracting measurements of mass

Accuracy and error when measuring mass

Practises estimation and approximation in measuring mass, as well as calculation and the evaluation of errors made in each case

Multiplication and division of a measurement of mass by a natural number

Everyday problems are posed that are solved by multiplying or dividing measurements of mass by a natural number.

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