Worksheet
Curated OER

Sequences

For Students 9th - 12th
For this sequences worksheet, students find the limit of a sequence.  They explore Ulam's sequence.  Students calculate differences for terms in a quadratic sequence.  this four-page worksheet contains approximately 20...
Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 9th - 11th
Learners factor trinomials and quadratics. In this algebra lesson plan, students solve quadratics when the leading coefficient is one. They use a special factoring pattern to solve the trinomial.
Lesson Plan
Curated OER

The Cuisenaire Four-Pan Algebra Balance: Limitations and Suggestions

For Teachers 8th - 9th
Young scholars illustrate the concept of balancing equations using a Four-Pan Algebra Balance. In this balancing lesson, students visualize why it is necessary to add or subtract the same quantity on both sides of an equation when...
Interactive
Mocomi & Anibrain Digital Technologies

Mocomi: Addition and Subtraction of Integers

For Students 6th - 8th
Explores the commutative, associative, and distributive properties of integers, and rules for adding and subtracting them.