International Electronic Journal of Mathematics Education – IΣJMΣ Vol.6, No.2 Why Johnny Can’t Apply Multiplication? Revisiting the Choice of Operations with Fractions…
1. Pre-Algebra 3-2 Adding and Subtracting Rational Numbers3-2 Adding and Subtracting Rational Numbers Pre-Algebra Warm UpWarm Up Problem of the DayProblem of the Day Lesson…