Curated OER
Weighing Time
Students devise a strategy to solve problems that is done in a systematic and mathematical fashion. The finding of the unknown value is the focus of the lesson. To solve linear equations proficiently is the skill of the lesson.
Curated OER
The Old Chicken Run Problem
Sixth graders apply problem solving strategies to work with a real life situation in which they need to determine the area. They determine the area of chicken runs that are rectangular in shape when give a partial perimeter.
Curated OER
Polygonal Strings
Sixth graders apply knowledge of how to calculate the area and perimeter of triangles. They determine why it is inappropriate to measure the area of land by its perimeter which is done in certain areas of New Guinea. They complete a...
Pennsylvania Department of Education
Expressions Involving Variables
Sixth graders practice translating verbal expressions into algebraic expressions. For this introductory algebra lesson, 6th graders practice writing written/verbal sentences into algebraic expressions and vice versa. Students also review...
Curated OER
Systems of Inequalities
In this Algebra I/Algebra II learning exercise, learners determine the solution to a system of inequalities by graphing. The two page learning exercise contains explanation, instruction, and four worked problems.
Curated OER
Determining the Existence of Gender Bias in Daily Tasks
Help your kids explore gender bias. Learners design and conduct a survey examining role responsibilities within families. They determine the percentage of responsibilities for males vs. females and graph the results. Then they analyze...
Curated OER
WALK A MILE IN MY SHOES
Students explore educational opportunities available to people living in a variety of developing and more economically developed countries. They work in groups and research an assigned country and explore how society values education,...
Curated OER
Literacy as a Force in the World
Students research and compare economic factors and data mining in Nepal. Students look at data to determine how the Nepalese quality of life compares to other countries and predict whether the literacy rate indicates or influences the...
Curated OER
Currency and Exchanges Rates
Seventh graders examine currency rates. In this exchange rate lesson, 7th graders visit selected websites to determine the exchange rates between specified currencies.
Curated OER
DETERMINING THE EXISTENCE OF GENDER BIAS IN DAILY TASKS
Students identify task assignments by gender.
Oswego City School District
Regents Exam Prep Center: Triangle Inequality Theorems
This tutorial discusses triangle inequality and provides practice problems for students to try out their skills. The teacher resource page contains a lesson plan for a yummy activity involving licorice.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Solving Inequalities
This site goes through steps to graph an inequality posed by a student.
National Council of Teachers of Mathematics
The Math Forum: Nctm: Ask Dr. Math: Solving Inequalities
In response to a student question about solving an inequality, "Dr. Math" provides a general discussion of what is necessary to solve these types of problems.
Khan Academy
Khan Academy: Two Step Inequality Word Problems
Practice solving two-step inequality word problems.
CK-12 Foundation
Ck 12: Elem Math: Inequalities
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are given a number sentence expressed as an inequality and must fill in a blank to make it true. Includes video demonstrating a...
Khan Academy
Khan Academy: Two Step Inequality Word Problems
Try some self-correcting practice two-step inequality word problems.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Graphing Linear Inequalities
A tutorial on how to graph a linear inequality in two variables. The tutorial offers step-by-step instruction and examples of how to graph linear inequalities.
Mr. Martini's Classroom
Mr. Martini's Classroom: Mr. Martini's Classroom: Kids Math Comparing Numbers
Compare numbers from 1 to 40 using inequality symbols and equal sign with this interactive game.
CK-12 Foundation
Ck 12: Elem Math: Comparing and Writing Decimal Inequalities
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare two decimals using the appropriate inequality sign. The video is followed by practice problems to assess student understanding of the...
CK-12 Foundation
Ck 12: Elem Math: Use Place Value Chart to Compare & Write Decimal Inequalities
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a place value chart to compare two decimals to determine which inequality sign makes the statement true. The video is followed by...
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Linear Inequalities
Using this tutorial, you'll learn how to solve linear inequalities and show the solution via interval notation and graphing.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Solving Linear Inequalities
This tutorial will show you how to use various properties of inequalities in order to solve linear inequalities and how to graph solution sets on a number line. Offers several examples showing you steps to solving inequalities and...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Linear Inequalities
Using this tutorial, you'll learn how to solve different types of linear inequalities by viewing step-by-step written solutions as well as completing practice problems.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Triangle Inequality
Dr. Math gives a hint of how to prove the triangle inequality theorem when answering a question posed about proving an absolute value problem using the triangle inequality theorem.