Circles Teacher Resources

A comprehensive 21-lesson math unit challenges high schoolers to wrap their heads around the geometry of circles. Building on a prior understanding of similarity and congruence, length and area, and the properties of geometric figures,...

Practice with the formulas for circumference and area of a circle. Videos each work with a specific area and the last video challenges them to work backwards when given the area.

How do people become experts at something? Third graders will explore this more specifically with regard to frogs, and will study "Bullfrog at Magnolia Circle" by Deborah Dennard. They read informational texts, generate questions, and...

Building strong relationship skills is one important part of social and emotional learning. Working in book circles, as lab partners, research teams, and project-based learning groups requires a specific set of relationship skills. The...

A Midsummer Night's Dream takes center stage in a collection of 18 resources that explore not only William Shakespeare's appeal but also the question of authorship of the plays attributed to him. Eighth graders participate in read aloud...

A Midsummer Night’s Dream is the anchor text in a three-unit module that has eighth graders examine how Shakespeare develops the theme of control. Young scholars look at why and how the characters seek control and the results of...

A 5-module complete precalculus course begins with young mathematicians exploring linearity, complex number operations as transformation, and the power of the right notation. Module 2 has pupils examining incidence relationships in...

Introduce advanced math students to the power of trigonometry! The 14 lessons in the Module 4 collection are divided into three topics: Trigonometric Functions, Trigonometry and Triangles, and Inverse Trigonometric Functions. Each lesson...

Conics have lots of little pieces and lots of rules to make them what they are. In this collection, you'll find a video for each of the main conics—except for ellipses, as well as lesson plans, unit plans, activities, and worksheets. All...

Going from simple trig functions to their graphs can seem like a daunting task. These resources show the steps to connect evaluating the functions to graphing them. The collection has a variety of resource types for you to explore. 

Starting with right triangles (SOH-CAH-TOA) and working up to the concept of radians, this collection introduces students to trigonometric ratios and supports them in learning to evaluate trigonometric functions.

Building on young mathematicians prior knowledge of geometry and algebraic functions, this 17-lesson unit introduces the topic of trigonometric ratios. Starting with the basic definitions of sine, cosine, and tangent, students move on to...

Teach your class about the farm with the ABCmouse.com! This collection includes coloring pages, a word search, and color-by-numbers pages. Access these and thousands of other resources for Preschool through 2nd grade at...

A math module challenges young mathematicians to generate equivalent expressions.  Scholars demonstrate how order or grouping does not affect the practice of addition and multiplication. By the end of the module, learners recognize and...

Small but mighty, a collection of three resources features presentation slides that prepare high schoolers for the Smarter Balanced assessment. Claim 2 features problem solving questions drawn from all content areas. Claim 3 focuses on...

Prepare seventh graders for end-of-year assessments with a collection of nine resources packed with teacher and student-friendly slides featuring problems that address the A-I competencies. Questions are modeled after Smarter Balanced...

Designed for high school and college-level classes, a collection of 12 resources covers topics in economics, banking, and monetary policy. Students investigate supply curves, the law of demand, market equilibrium, and the labor market....

Prepare your mathematicians for calculus with a collection of 32 lessons that focus on three topics: linearity, complex number operations as transformations, and the power of right notation. Each lesson includes teacher materials...

The 36 lessons in the Geometry Module 1 collection address transformations in teaching geometry brought on by Common Core. The focus here is on transformations and the relationships between transformations and congruence. Teacher...

Building on the understanding of congruence studied in Module 1 and on similarity studied in Module 2, the 14 lessons  in the Module 3 collection focus on developing a bridge  from geometric measurement in two dimensions to understanding...

Prepare high school mathematicians for the AP Calculus AB exam with a collection of 38 videos that can be used to introduce the topics or as a review. The videos focus on two processes; differentiating a function and integrating a...

Good assessments can be hard to find and difficult to formulate. Designed as a collection of mathematics assessment tasks, the 20 resources in this packet can also be used as lesson openers, a review, or extra practice. The open-ended...

Are you looking for assessment tasks for Algebra 1, Algebra 2, or geometry? Check out this collection of 20 assessment tasks designed for high schoolers. Problems are presented with an open-ended format allowing students to use multiple...

Good assessments are hard to find—assessments that address content standards and fit into standard class periods. The six assessments in the middle school collection are 80-minute forms, divided into two 40-minute sections, and are...