eBook
Old Dominion University

Introduction to Calculus

For Teachers 11th - Higher Ed Standards
This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...
Worksheet
Curated OER

Using Properties Homework

For Students 10th
In this geometry worksheet, 10th graders determine the property of the real number system that justifies each given statement and complete a two column proof in which they justifying the steps for solving an equation.  The one page...
Workbook
Curated OER

Word Problem Practice Workbook

For Students 6th - 8th Standards
Need worksheets that challenge your middle schoolers to apply their understanding of math? Problem solved! From integers, fractions, and percents, to algebra, geometry, and probability, over 100 pages of word problem worksheets...
Handout
CK-12 Foundation

Ck 12: Geometry: Proofs Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide reviews proofs: algebraic proof, properties of congruence, and geometric proofs (two-column).
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Conjectures and Counterexamples

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students make conjectures and provide counterexamples. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Two Column Proofs Intermediate

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to write two-column proofs, and provides proofs for the Right Angle Theorem, Same Angle Supplements Theorem, and Vertical Angles...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Two Column Proofs

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Write two-column proofs.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Indirect Proof in Algebra and Geometry

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to write an indirect proof and provides examples of indirect proofs in Algebra and Geometry.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Indirect Proof in Algebra and Geometry

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Write algebraic and geometric indirect proofs.
Handout
CK-12 Foundation

Ck 12: Geometry: Types of Reasoning Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Reasoning is a fundamental part of geometric proofs. There are several types of reasoning, many of which we innately and naturally picked up. However, the different...
Handout
CK-12 Foundation

Ck 12: Geometry: Parallelograms Study Guide

For Students 7th - 9th Standards
This study guide on parallelograms covers types of quadrilaterals, properties of parallelograms and theorems that describe them, how to identify parallelograms, and special types of parallelograms. It is available for download with free...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Pythagorean Theorem and Pythagorean Triples

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem and its converse. Includes videos, exercises, links to interactive activities, etc.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Deductive Reasoning

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students use deductive reasoning to solve problems. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Deductive Reasoning

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to deductive reasoning using the laws of detachment, contrapositive, and syllogism. Students examine guided notes, review guided...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Inscribed Similar Triangles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply the fact that the altitude of a right triangle creates similar triangles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Quadrilaterals That Are Parallelograms

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Prove a quadrilateral is a parallelogram.
Whiteboard
ClassFlow

Class Flow: Circles Geometry

For Teachers 6th - 8th Standards
[Free Registration/Login Required] Students identify segments and lines related to circles and the properties of a tangent to a circle.
Unit Plan
CK-12 Foundation

Ck 12: Flex Book: Pythagorean Theorem

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Learning module that introduces students to the Pythagorean Theorem. Topics include history, applications, and proofs related to this geometry concept.
Unit Plan
CK-12 Foundation

Ck 12: Ferromagnetic Material: Maximizing 4 Pizza Slices

For Students 9th - 10th
[Free Registration/Login Required] Students explore the concept of conjectures and counterexamples by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn...
Whiteboard
ClassFlow

Class Flow: Collinearity, Betweenness, and Assumptions

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart is aligned with the book Geometry for the Enjoyment and Challenge. This lesson is collinearity, betweenness, and assumptions to help in the development of the study of proofs.
Whiteboard
ClassFlow

Class Flow: Complementary and Supplementary Angles

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart contains Complementary and Supplementary angles. This lesson integrates proofs as well as matching, and integrated assessment through out the lesson. Works well with the book Geometry for...