Lesson: Addition of Rational Numbers Mathematics • First Year of Preparatory School

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In this lesson, we will learn how to add rational numbers, including fractions, decimals, and percentages.

Students will be able to

use a number line to add rational numbers,
add rational numbers as fractions (including mixed numbers) with like denominators,
add rational numbers as fractions (including mixed numbers) with unlike denominators by using the LCM of the denominators,
add rational numbers in different forms,
convert between fractions, decimals, and percentages in order to add rational numbers of different forms.