Equations and Inequalities

Links verified on 8/8/09

1. Algebra vs the Cockroaches - determine the slope of the line that cockroaches are crawling along to destroy them
2. Equation of a Line: Slope-Intercept Form - An interactive applet that will help you visualize how changing the values for the slope, m, and the y-intercept, b, will affect the graph of the equation y = mx + b.
3. Equation of a line: Slope Intercept Form - Adjust the sliders at the site. They control the slope (m) and the intercept (b) of the line. The equation and the line will change accordingly. You can also drag the origin.
4. Find the graph that best matches the linear equation - sven multiple choice questions
5. Inequalities Workout - If you have trouble, go to step 2 and review.
6. Linear Equation Test - Can you work out the answers? Use the multiple choice boxes or the radio buttons to select your answer.
7. Linear function - move your cursor to the green block to select step 1
8. Linear Functions Part A: Basics: Slope and Intercept Part B: Finding the Equation of a Line
9. Linear function and Graph - move your cursor over the green block to see lesson 1 or lesson 2
10. Pan Balance Shapes - Use an interactive balance to investigate the concept of balancing equations
11. Practice from Math.com: The coordinate plane, Slope and y-intercept, and Graphing linear equations.
12. Solve Equations - Use the balance-strategy to solve equations. Twenty are available or you can write your own.
13. Spy Guys Interactive - Balancing Equations - watch the video and respond at various places Lesson 11
14. Teacher Dodgeball - fill in numbers on an equation - Each blank of the equation stands for a number on a teacher. Hit the teacher with the number that goes next in the equation by clicking on them.
15. Weigh the Wangdoodles - Your job is to find the weight of each Wangdoodle using the information provided by the scales. To be successful, you will have to make sure that the weight you assign to each Wangdoodle works on each scale. This activity is a fun but challenging introduction to multiple algebraic equations.