Worksheet
Curated OER

Algebraic Solutions

For Students 9th
In this algebraic solutions worksheet, 9th graders solve 10 different sets of simultaneous equations. First, they solve one of the equations such that one variable is defined in terms of the other. Then, students take the new definition...
Lesson Plan
Curated OER

Algebra/Geometry Institute 2007

For Teachers 5th
Fifth graders practice calculating probability using statistics.  In this math statistics lesson, 5th graders discover the meanings of the terms unlikely, likely, eventually, and chance, when asked to answer questions about the...
Worksheet
Curated OER

Factoring Quadratic Trinomials

For Students 9th
In this factoring trinomials worksheet, 9th graders solve and complete 36 various types of problems. First, they write each trinomial in factored form. Then, students write all of the factor pairs of the third term and circle the pair...
Lesson Plan
Curated OER

Ratios (Cost of a Habit)

For Teachers 6th - 8th
Students consider an individual habit and its cost. They study ratios and proportions, and use that knowledge to calculate the cost of a habit over extended periods of time. write a detailed comparison of the costs.