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.
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...
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.
Khan Academy
Khan Academy: Two Step Inequality Word Problems
Practice solving two-step inequality word problems.
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...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: A Quadratic Inequality
"Dr. Math" responds to a student question about writing solutions to quadratic inequalities in interval form.
University of Georgia
University of Georgia: Inter Math: Triangle Inequality
This site has a description of the triangle inequality theorem along with a visual representation, and animation explaining the triangle inequality rule with the radii of circles at the segment endpoints. Links to related terms, more...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Meaning of an Absolute Value Inequality
"Dr. Math" presents an in-depth discussion of the meaning of an absolute value inequality. The discussion tries to clarify some of the mis-conceptions surrounding absolute value.
Math Planet
Math Planet: Solving Absolute Value Equations and Inequalities
The absolute value of a number a is written as |a| and represents the distance between a and 0 on a number line. An absolute value equation is an equation that contains an absolute value expression. The equation |x|= a has two solutions...
Discovery Education
Discovery Education: Web Math: Plot/graph an Inequality
This site provides a step-by-step process to graph an inequality. Simply type in your expression, and the website will graph the expression as well as explain how and why it did what it did.
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.