Khan Academy
Khan Academy: Checking Solutions to Two Variable Linear Equations
In this exercise, students practice checking solutions to two-variable linear equations. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Check Solutions to Systems of Equations
In this exercise, students check solutions to systems of equations. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Systems of Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers checking for solutions of systems of linear inequalities. Students watch a video tutorial, explore guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students verify that solutions to algebraic equations are correct. Students watch a video tutorial, explore guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Inequalities
[Free Registration/Login may be required to access all resource tools.] On this site students learn to verify that solutions to inequalities are correct. Students can watch video tutorial, look at key vocabulary and attempt practice...
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Equations
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving expressions or equations for a given value. Students watch a video tutorial, explore guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing and solving basic inequalities. Students watch a video tutorial, explore guided notes and attempt practice problems.
Science Buddies
Science Buddies: Program to Check a Sudoku Solution
Sudoku puzzles have become extremely popular over the past couple of years. You can find books of puzzles for beginners to experts, and many newspapers print Sudoku puzzles daily. This project challenges you to write a computer program...
McGraw Hill
Glencoe Biology: Water and Solutions: Self Check Quiz
Answer five multiple choice questions about water and solutions in this self-checking quiz.
Chemistry Collective
Chem Collective: Creating a Stock Solution
In this activity, students use the virtual lab to create dilute solutions from a concentrated stock solution of acids or bases. They must first calculate the correct volumes of concentrated acid solution and water to mix together to...
Chemistry Collective
Chem Collective: Making Stock Solutions From Solids
In this activity, students use the virtual lab to create stock solutions starting from solid salts. Students must first calculate the correct amount of solid to make the solution. Next, they prepare the solution using the appropriate...
McGraw Hill
Glencoe: Self Check Chapter Test Ratio, Proportion, and Percent
The interactive assessment examines ratios, proportions, and percents. Students complete 18 questions created by Glencoe. Hints and solutions are included.
Khan Academy
Khan Academy: Solutions of Systems of Inequalities
Check whether an ordered pair is a solution of a system of two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Solutions of Inequalities Graphically
Given the graph of a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
Khan Academy
Khan Academy: Solutions of Inequalities: Algebraic
Given a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Solutions of Inequalities: Algebraic
Given a two-variable linear inequality, check whether a given pair of values is a solution of the inequality.
Khan Academy
Khan Academy: Solutions of Systems of Inequalities
Check whether an ordered pair is a solution of a system of two-variable linear inequalities.
CK-12 Foundation
Ck 12: Checking Solutions to Equations: Taxi Cab Calculations
[Free Registration/Login Required] Students determine is a number is a solution to the equation. Click challenge me to answer a question and click learn more to watch a video.
CK-12 Foundation
Ck 12: Checking Solutions to Inequalities
[Free Registration/Login Required] Students will determine if the given number is the solution to the inequality. Click challenge me to answer a pactice question and click learn more to watch a video.
Khan Academy
Khan Academy: Testing Solutions to Equations
Practice plugging in values to equations and checking to see if the equations hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Testing Solutions to Inequalities
Practice plugging in values to inequalities and checking to see if the inequalities hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas Instruments
Texas Instruments: Numb3 Rs: Checkbook (Mis)calculations
Based off of the hit television show NUMB3RS, this lesson has students create ways to check their calculations against the three most common checkbook errors. After students have completed this part of the lesson, they then solve a good...
Chemistry Collective
Chem Collective: Determine the Concentration of Unknown Silver Nitrate Solution
In this limiting reagents problem, students are asked to determine the amount of silver nitrate dissolved in a solution by performing a reaction with solid NaCl. In this randomized activity, each student is given a different unknown...
McGraw Hill
Glencoe: Self Check Chapter Test Multiplying and Dividing Decimals
Students are assessed on decimal multiplication and division. The self-checking test includes hints and solutions.