Pennsylvania Department of Education
Seeing Doubles
Pupils work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Pupils represent the correct...
Curated OER
How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
Curated OER
Lesson Plan: (Stock Market Investigation)
Students simulate making a $100,000 investment in the stock market following a specific set of criteria. They track the stocks for two months, buying and selling stocks in a diversified portfolio.
Curated OER
Peopling the New World -- An Archaeological Exercise in Excel
Students examine different types of spears that have been discovered from various civilizations. In groups, they calculate the answers to various word problems and enter their information on a spreadsheet. They use the data in other...
Curated OER
Error Correction Worksheet
In this error correction worksheet, students analyze 22 sentences which may contain errors in grammar. Students decide if there are mistakes and correct them.
CK-12 Foundation
Ck 12: Interactive Algebra 1 for Ccss
This is a complete, full-year Algebra 1 course with interactivity included in every lesson. Some lessons include videos, and all include interactives and inline questions that offer instant, per-answer feedback. Every lesson also has...
Department of Defense
Do Dea: Algebra 1: Semester Ii: Solving Systems
A learning module through which students learn about solving systems including systems of equations, solving systems, systems in inequalities, the matrix, and statistics.
Texas Instruments
Texas Instruments: Mc Dougal Littell Algebra 1: Graphing Inequalities
Students will explore inequalities.
Texas Education Agency
Texas Gateway: Solving Linear Equations and Inequalities
When given a table, equation or verbal description, students will solve one- and two-variable equations and inequalities using algebraic steps or graphing methods.
Math Aids
Math Aids: Algebra 1 Worksheets
Great resource to practice and strengthen math skills pertaining to Algebra 1. Math worksheets are printable, may be customized, and include answer keys.
Department of Defense
Do Dea: Algebra 1: Semester 1: Equations
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
CK-12 Foundation
Ck 12: Algebra: Multi Step Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve inequalities that involve more than one step to isolate the variable and graph the solution. Students examine guided notes, review...
Math Planet
Math Planet: Algebra 1: Composing Equations and Inequalities
Provides examples and a video lesson that illustrates how to compose a mathematical expression.
Khan Academy
Khan Academy: Multi Step Linear Inequalities
Solve linear inequalities that take multiple steps to solve. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Math Planet
Math Planet: Algebra 1: Graphing Linear Systems
Gain an understanding of how to solve linear equations by viewing an example and a video lesson. [3:01]
CK-12 Foundation
Ck 12: Algebra: Graphs of Inequalities in One Variable
[Free Registration/Login may be required to access all resource tools.] Students learn to graph linear inequalities on the coordinate plane. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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...
Khan Academy
Khan Academy: Inequalities Word Problems
Practice writing inequalities with variables to describe real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Writing Inequalities to Describe Real World Situations
In this exercise, students practice writing inequalities to describe real-world situations. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Math Planet
Math Planet: Solving Compound Inequalities
Provides an explanation, examples, and a video lesson all related to compound inequalities.
CK-12 Foundation
Ck 12: Algebra: Equations With Radicals on Both Sides
[Free Registration/Login may be required to access all resource tools.] Solve equations that involve more than one radical expression.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Log Ride
In this instructional task students are given two inequalities, one as a formula and one in words, and a set of possible solutions. They have to decide which of the given numbers actually solve the inequalities. There are two solutions...
Khan Academy
Khan Academy: One Step Inequalities
Practice solving inequalities in one step. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: One Step Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson, students solve inequalities and graph their solutions. Students examine guided notes, review guided practice, watch instructional videos and attempt...