A video lesson for pre-algebra students: one-step equations that involve positive and negative decimals. I solve four simple equations as examples, explaining each step of the solution.
Equations with percentages — video lesson
Simple equations with fractions — video lesson
Math Mammoth Rational Numbers — a short workbook where you can find worksheets to match this lesson.
Math Mammoth Grade 7 curriculum (pre-algebra)
Back to rational numbers videos index