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Monthly Archives: January 2020
AOPS Algebra 1 Course, Lesson 17, 01/19/2020
Today, I started the new chapter, quadratic equations, basic nonlinear, but very important, expressions and equations. I introduced the basic concepts of quadratic expression and equations, and the methods to solve the quadratic equations with coefficient of quadratic term being … Continue reading
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AOPS Algebra 1 Course, Lesson 16, 01/12/2020
Today, students continued to study the linear inequality, solving one variable inequality, three ways to represent inequality solution, inequality notation, interval notation, and number line; For twovariable inequality, graphing is used to present the solutions because the solution is zone … Continue reading
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Singapore Math 8th Class, Lesson 16, 01/12/2020
Today, students finished congruence and similarity study and started to work on parallel lines and transversal. In the similarity, one of the transformation, the enlargement, was introduced. The center of enlargement and scale factor are two key information to determine … Continue reading
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AOPS Algebra 1 Course, Lesson 15, 01/05/2020
Today, we resumed the class and students started to study inequality, the basic rules, and the application of those rules in the number comparisons and solving linear inequalities.Homework for today’s class:P.259, 9.1.1, 9.1.2, 9.1.3, 9.1.5P.264, 9.2.1, 9.2.2, 9.2.3, 9.2.4
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Singapore Math 8th Class, Lesson 15, 01/05/2020
Today, we had the first class in 2020. Students continued to work on “congruence and similarity”, the transformations like translation, rotation, and combinations. In similarity, students learned relations between object and image in terms of the ratio of corresponding sides … Continue reading
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