Lesson Plan
EngageNY

A Surprising Boost from Geometry

For Students 10th - 12th Standards
Working with imaginary numbers — this is where it gets complex! After exploring the graph of complex numbers, learners simplify them using addition, subtraction, and multiplication. 
Worksheet
Curated OER

Perfect Squares and Factoring

For Students 9th - 11th
For this perfect square worksheet, students factor perfect square trinomials and polynomials. They identify trinomials and polynomials that are perfect squares. This one-page worksheet contains 21 problems.
Lesson Plan
Curated OER

The Difference of Two Squares

For Teachers 8th - 10th
Students practice the use of number properties through exploring the difference of two squares, creating an array model for multiplication, and work with decimal numbers. In groups, students explore patterns in an array and determine...
Worksheet
Curated OER

Rational or Irrational

For Students 7th
In this rational and irrational numbers learning exercise, 7th graders solve 24 different problems that include defining various rational and irrational numbers and/or expressions. First, they identify whether each given number and/or...
Worksheet
Curated OER

Solving Exponential and Logarithmic Equations

For Students 10th - 12th
In this exponential and logarithmic equations worksheet, students solve given problems dealing with exponents and logarithms. This two-page worksheet contains 48 problems. Examples are provided.
Worksheet
Curated OER

The Two Number Problem

For Students 9th - 12th
In this number problem activity, students solve 1 word problem about squaring numbers.  Students find two different numbers that are equal when they are squared.
Lesson Plan
Curated OER

Quadratic Equations and Binomial Square Theorem

For Teachers 9th - 11th
Students factor quadratic equations. In this algebra lesson, students apply the binomial square theorem to solve quadratics. They complete the square and use the complex number system to solve for the roots.
Worksheet
Math About

Introduction to Complex Numbers

For Students 10th - 12th Standards
In this complex number worksheet, students explore the properties of imaginary numbers to find the square roots of negative numbers. Explanations and examples are given prior to the exercise. This two-page worksheet contains ten problems.
Lesson Plan
Curated OER

Addition, Subtraction, and More Multiplication with Radicals: Extra Practice 36

For Teachers 8th - 9th
In this math worksheet, young scholars use the distributive property to complete computation with radicals. Students multiply pairs of binomials that have the square root sign in each pair.
Assessment
Illustrative Mathematics

Building a General Quadratic Function

For Students 9th - 12th Standards
Rewrite a quadratic function to easily see the transformations involved. The instructional task takes a general quadratic function and rewrites it into a form that shows the translations and scaling of the parent quadratic function. The...
Lesson Plan
Mathematics Assessment Project

Representing Quadratic Functions Graphically

For Teachers 9th - 12th Standards
Sometimes being different is an advantage. An engaging activity has scholars match cards with quadratic functions in various forms. Along the way, they learn about how each form highlights key features of quadratic functions.
Worksheet
Curated OER

Solving Quadratic Equations

For Students 8th - 11th Standards
In this ways to solve quadratic equations worksheet, learners solve 19 equations using five different methods, then solve four more using the method of their choice.
Lesson Plan
Curated OER

The Complex Numbers

For Teachers 9th - 10th
In this algebra worksheet, students solve 16 problems involving imaginary numbers. In the first three, students find the square root of 3 negative numbers in terms of i. Nine problems involve addition, subtraction, multiplication and...
Assessment
Mathematics Assessment Project

The Number System

For Students 7th - 8th Standards
Count this assessment in the "use" pile. Middle schoolers solve a set of five problems in the seventh and eighth grade number system domains. All problems are in pure mathematics with no applications.
Worksheet
Curated OER

Make Up Test on Solving Quadratics

For Students 10th
In this solving quadratics instructional activity, 10th graders write radicals in the simplest form. They solve quadratics by factoring, completing the square, and through the use of the quadratic formula. Students determine the vertex...
Worksheet
Curated OER

Word Problems

For Students 10th - 11th
In this algebra worksheet, students solve word problems using algebra. They factor using the quadratic formula and complete the square. There are 4 problems with an answer key.
Interactive
Curated OER

Solve Five Quadratic Equations Using the Quadratic Formula

For Students 8th - 11th
In this solving quadratic equations instructional activity, students solve five quadratic equations by using the quadratic formula.  Students also review using the discriminant, solving by factoring, and solving by completing the...
Worksheet
Curated OER

Notes to Quadratic Equations

For Students 9th - 12th
In this quadratic equations activity, students read notes about graphing, factoring, square roots, completing the square, and the quadratic formula. Students read 2 1/2 pages of notes.
Worksheet
Curated OER

Factoring Perfect Squares

For Students 9th - 10th
In this factoring worksheet, students factor perfect squares. Explanations and examples are provided at the beginning of the worksheet. This two-page worksheet contains ten problems.
Worksheet
Curated OER

Completing the Square

For Students 9th - 10th
In this polynomial instructional activity, students complete the square of a given problem. Explanations and examples are provided. This two-page instructional activity contains ten problems.
Worksheet
Curated OER

Radicals

For Students 9th
In this radicals learning exercise, 9th graders solve and complete 16 different problems that include various radical expressions. First, they simplify each radical expression. Then, students use the Pythagorean Theorem to find each...
Handout
Del Mar College

Quick Reference Card

For Students 9th - 12th Standards
A neat and organized formula handout makes the circle go round, doesn't it? Full of higher algebra topics, formulas and rules, graphs and definitions—there is a way to support everyone in Algebra II or Pre-Calculus. 
Worksheet
Curated OER

Functions and Fraction Combination

For Students 11th
In this algebra activity, 11th graders factor polynomials and find the roots of the equations. They write the rules representing the equation and how to solve it. There are 9 questions.
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 8th - 12th
Pupils apply properties of Pythagorean to solve problems. In this geometry activity, students identify the different parts of a right triangle using ratios. they solve problems using squares and square roots.