Use these materials for planning classroom instruction on roots of equations: a lesson with a quadratic equation investigation; practice questions with answers that will quiz students' grasp of solving quadratics and roots; and two...

A wealth of resources for teachers planning classroom instruction on quadratic equations, discriminant, and the quadratic formula: six lessons covering various ways to solve equations, complete with definitions and step-by-step solutions...

A lesson, practice exercise, and teacher resource to help you plan classroom instruction on completing the square. Lesson contains steps to completing the square and two step-by-step examples; practice exercise is a five-question quiz...

Resources to help you plan classroom instruction on complex fractions: three lessons, with example problems and step-by-step solutions, on recognizing and simplifying complex fractions; a practice quiz through which young scholars work...

A wealth of material to supplement classroom instruction on factoring of polynomials. Lessons offer methods and guidelines for factoring as well as examples; practice exercises allow students to begin testing their factoring skills; and...

A wealth of material to help you plan classroom instruction on complex numbers: several lessons that cover the number i, square roots of negative numbers, and operations involving complex numbers; practice activities, some of which...

A wealth of resources for classroom instruction on positive, negative, zero, and fractional exponents. Lessons offer guidelines for evaluating and working with exponents as well as step-by-step solutions to example problems. Practice...

Material to supplement classroom instruction on radicals: two lessons on radicals and rationalizing denominators with radicals; two practice activities where students can begin to test their skills with radicals; and a teacher resource...

Three resources to help you plan instruction on the mid-segment of a triangle: a lesson with definition, properties, and examples of a mid-segment of a triangle; a seven-question quiz through which students can practice working with...

Material to supplement classroom instruction on mean proportional in a right triangle: a lesson with a definition of "mean proportional" as well as theorems with examples; an online multiple-choice quiz with answers; and guidelines for...

A wealth of material to supplement classroom instruction on circles, angles in circles, and arcs. Find lessons with formulas, diagrams, and example problems with step-by-step solutions, multiple-choice practice quizzes, and activity...

Material to supplement classroom instruction on sectors and segments of circles. Find guidelines on how to find the area of sectors and segments, as well as a multiple-choice quiz, and an activity idea called "Sectors and Pizza."

Material to supplement classroom instruction on parallel lines: a lesson on angles with parallel lines, a practice quiz, and a link to an investigation on angles with parallel and non-parallel lines.

Material to supplement instruction on isosceles triangles: a lesson with related theorems and examples; an online practice quiz for students to take and check their answers; and guidelines for proving the isosceles triangle theorem.

A wealth of resources for teachers introducing locus theorems to students. Lessons cover simple definitions, provide examples and diagrams, and offer connections to real-life situations. Practice exercises offer students online quizzes...

A lesson, practice exercise, and resource for use when planning classroom instruction on linear quadratic systems. Find definitions, example equations and graphs, a four-question quiz with solutions, and an activity through which...

The earliest waves of settlers to the Americas, up through the first half of the 19th century, constitute the era of 'old' immigration. There are some distinctions between those settlers who came prior to the Revolutionary War and those...

The Neolithic Revolution created a shift in how people lived. Humans began settling down into villages and establishing methods of agriculture and domesticating animals to relinquish the need for nomadic lifestyles. Read a short summary...

The Regents Exam Prep Center offers a review sheet prepared to help students on the NY State Regents exam in World History. Gives brief details about the Gupta Empire and reasons for its decline.

The mathematics session investigates reference angles and triangles. The tutorial consists of class notes, examples, and practice problems with solutions. The teacher resource includes a worksheet on the construction of skateboarding ramps.

This tutorial demonstrates how tree diagrams are constructed and shows how to calculate the probability of an event using a tree diagram. There are links to a lesson, practice page, and teacher resource pages with useful tips.

A great opportunity for your students to practice their knowledge of the number properties with the card game. A quick way to help students learn.

A collection of lessons, practice activities, and a teacher resource for reviewing exponents and the various rules associated with them.

Use this site to learn how to divide data into quartiles in this tutorial. You'll need a calculator to do the practice problems. The teacher resource page contains a warm-up exercise for use before a quartile lesson.