Virginia Department of Education
How Many Triangles?
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the same...
EngageNY
True and False Number Sentences
True or false? Scholars determine the truth value of equations and inequalities through substitution. All values to use for substitution are given with each equation or inequality. This is the 24th lesson in a module of 36.
National WWII Museum
More Than Words Can Say: Analyzing Visual Materials as Primary Sources
The propaganda of World War II was a key factor in galvanizing the home front. Class members examine images—without their text—to consider their messages, including those around race and gender. Using pictures and discussion questions,...
Radford University
Linear Programming: Sports Shoes
Don't shoo away the resource on shoes. Given constraints on the amount of leather and string needed to make two different types of shoes, learners graph a system of inequalities for the situation. They then determine the maximum profit...
Radford University
Basketball Math
Shoot for a better knowledge of optimization strategies. During the first part of the task, scholars use given basketball shooting percentages for different players to predict the winner by examining systems of inequalities. For the...
Flipped Math
Unit 3 Review: Systems of Equations
More practice makes perfect. A review packet helps pupils remind themselves of the content of the unit. They determine whether points are solutions to linear equations, graph systems of equations and inequalities, and solve systems of...
Curated OER
Angles: Greater Than, Less Than or Equal To 90 Degrees?
For this angles worksheet, students check the correct box, identifying angles as either greater than, less than or equal to 90 degrees. A reference web site is given for additional activities.
Curated OER
Subtraction Intermediate 1
Practice subtracting to find differences less than 20. Learners solve 20 subtraction problems each containing both double and single-digits.
Curated OER
Subtraction Intermediate 5
There are 20 subtraction problems to complete. Each problem results in a difference less than 20. Use this worksheet as a quiz, for extra practice, or as homework.
Curated OER
Subtraction Intermediate 4
How do learners get good at subtracting numbers with differences less than 20? Through old-fashioned practice of corse. There are 20 problems to solve.
Curated OER
Subtraction Intermediate 2
Your class can perfect their subtraction skills through practice. This worksheet provides 20 subtraction problems, each resulting in a difference less than 20.
Curated OER
Initial Fraction Ideas Lesson 15: Overview
Observe fraction numerators and denominators to determine if they are less than or equal to 1/2. In this fractions lesson plan, students simplify fractions and determine their relationship to 1/2.
Curated OER
Inequalities in the Workforce
Fourth graders examine careers that differ in the amount of wages paid to women and men. They interview their parents and discover they are contributing to society. They discover their role within the community as well.
Curated OER
Quiz: Solving Inequalities by Adding and Subtracting
In this solving inequality worksheet, students solve inequality equations containing one variable, whole numbers and decimal numbers. This one-page worksheet contains ten problems.
Curated OER
Greater Than or Less Than
In this comparing numbers worksheet, students compare 20 pairs of 1, 2 and 3-digit numbers. Students identify each pair as greater than or less than.
Curated OER
Solving Inequalities
In this college level algebra worksheet, students solve absolute value and quadratic inequalities. The two page worksheet contains three problems. Answers are not provided.
Curated OER
Equations and Inequalities: Properties
For this equations and inequalities worksheet, students complete 3 multiple choice questions testing their knowledge of various properties of the real number system.
Curated OER
Equations and Inequalities
In this equations and inequalities worksheet, 9th graders solve and complete 2 multiple choice problems. First, they read and identify the graph shown representing a given equation. Then, students determine the graph that best represents...
National History Day
More Than Mud and Cooties: The Poetry of World War I Soldiers
Poetry is not just for romance. Teach middle schoolers about soldiers' experiences during World War I with poetry written by the soldiers themselves. The lesson plan includes a simulation activity, a graphic organizer activity, and a...
Curated OER
Linear Inequalities
Students explore how to graph a linear inequality. They determine if a point is in the solution set. Students solve linear inquality application problems. They graph linear equations, and solve linear equations for a given variable.
Curated OER
Inequalities and Triangles
Learners prove and apply theorems of triangle inequality and hinge theorem. For this geometry lesson, students will discuss which triangle is bigger and why. They will use theorems, such as Exterior Angle Inequality or the Pythagorean...
Curated OER
Inequalities
Seventh graders graph solutions for inequalities on a number line. They solve 1 and 2 step inequalities in one variable. Students also check solutions to 1 and 2 step equations in one variable
Curated OER
Inequalities lesson 4
Seventh graders graph solutions for inequalities on a number line. They solve problems combining like terms inequalities in one variable. Students check solutions to combining like terms inequalities in one variable.
Curated OER
Comparing Numbers
For this number comparison worksheet, students fill in the less than, greater than, or equal to symbol in order to compare two numbers. There are 21 two-digit and one-digit numbers to compare.
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