ISKME's OER Fellowship, SEC STEM Educators 2013-2014

This group is for ISKME's SEC OER Fellows to share, organize, and collaborate with resources for their projects.
32 members | 120 affiliated resources

All resources in ISKME's OER Fellowship, SEC STEM Educators 2013-2014

Guess My Number

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This problem asks the students to represent a sequence of operations using an expression and then to write and solve simple equations. The problem is posed as a game and allows the students to visualize mathematical operations. It would make sense to actually play a similar game in pairs first and then ask the students to record the operations to figure out each other's numbers.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Problems of the Month: Tri- Triangles

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These algebra problems of the month are designed to be used schoolwide to promote a problem-solving theme at your school. Each problem is divided into five levels, Level A through Level E, to allow access and scaffolding for the students into different aspects of the problem and to stretch students to go deeper into mathematical complexity.

Material Type: Activity/Lab

Profit of a company

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This task compares the usefulness of different forms of a quadratic expression. Students have to choose which form most easily provides information about the maximum value, the zeros and the vertical intercept of a quadratic expression in the context of a real world situation. Rather than just manipulating one form into the other, students can make sense out of the structure of the expressions.

Material Type: Activity/Lab

Author: Illustrative Mathematics

CTE Health Sciences: False Positives

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This task was developed by high school and postsecondary mathematics and health sciences educators, and validated by content experts in the Common Core State Standards in mathematics and the National Career Clusters Knowledge & Skills Statements. It was developed with the purpose of demonstrating how the Common Core and CTE Knowledge & Skills Statements can be integrated into classroom learning - and to provide classroom teachers with a truly authentic task for either mathematics or CTE courses.

Material Type: Activity/Lab, Lesson Plan

CTE Health Sciences: Medication Dosage

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This task was developed by high school and postsecondary mathematics and health sciences educators, and validated by content experts in the Common Core State Standards in mathematics and the National Career Clusters Knowledge & Skills Statements. It was developed with the purpose of demonstrating how the Common Core and CTE Knowledge & Skills Statements can be integrated into classroom learning - and to provide classroom teachers with a truly authentic task for either mathematics or CTE courses.

Material Type: Activity/Lab, Lesson Plan

Chocolate Bar Sales

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In this task students use different representations to analyze the relationship between two quantities and to solve a real world problem. The situation presented provides a good opportunity to make connections between the information provided by tables, graphs and equations.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Solving Linear Equations in One Variable

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This lesson unit is intended to help teachers assess how well students are able to: solve linear equations in one variable with rational number coefficients; collect like terms; expand expressions using the distributive property; and categorize linear equations in one variable as having one, none, or infinitely many solutions. It also aims to encourage discussion on some common misconceptions about algebra.

Material Type: Assessment, Lesson Plan

Proofs of the Pythagorean Theorem

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This lesson unit is intended to help teachers assess how well students are able to produce and evaluate geometrical proofs. In particular, this unit is intended to help you identify and assist students who have difficulties in: interpreting diagrams; identifying mathematical knowledge relevant to an argument; linking visual and algebraic representations; and producing and evaluating mathematical arguments.

Material Type: Assessment, Lesson Plan

Steps to Solving Equations

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This lesson unit is intended to help teachers assess how well students are able to: form and solve linear equations involving factorizing and using the distributive law. In particular, this unit aims to help teachers identify and assist students who have difficulties in: using variables to represent quantities in a real-world or mathematical problem and solving word problems leading to equations of the form px + q = r and p(x + q) = r.

Material Type: Assessment, Lesson Plan

Finding Equations of Parallel and Perpendicular Lines

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This lesson unit is intended to help teachers assess how well students are able to understand the relationship between the slopes of parallel and perpendicular lines and, in particular, to help identify students who find it difficult to: find, from their equations, lines that are parallel and perpendicular; and identify and use intercepts. It also aims to encourage discussion on some common misconceptions about equations of lines.

Material Type: Assessment, Lesson Plan

Dilating a Line

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This task gives students the opportunity to verify that a dilation takes a line that does not pass through the center to a line parallel to the original line, and to verify that a dilation of a line segment (whether it passes through the center or not) is longer or shorter by the scale factor.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Find the Missing Angle

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This task "Uses facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure (7.G.5)" except that it requires students to know, in addition, something about parallel lines, which students will not see until 8th grade.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Noodles Away

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This lesson will assist students to see angle relationships and the relationship of parallel lines and transversals. This exercise is good for visual and tactile learners since it is of a concrete nature. Students of all academic levels can enjoy this.

Material Type: Lesson Plan

Author: Melda Bullock

Identifying Similar Triangles

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This lesson unit is intended to help you assess how students reason about geometry and, in particular, how well they are able to: use facts about the angle sum and exterior angles of triangles to calculate missing angles; apply angle theorems to parallel lines cut by a transversal; interpret geometrical diagrams using mathematical properties to identify similarity of triangles.

Material Type: Assessment, Lesson Plan