Teacher professional development and classroom resources across the curriculum
Direct variation is taught using a simulated oil spill, using toilet paper tissues (to represent land) and drops of vegetable oil (to simulate oil).
Use a scene from Alice in Wonderland to introduce negative exponents and the rules for dividing powers.
Explore quadratic functions by using a motion detector known as a Calculator Based Ranger (CBR) to examine the heights of the different bounces of a ball.
Manipulatives visually represent the steps taken to obtain the solution to an algebraic equation.
The class learns about basic recursion by exploring patterns in the data they generate from two simple probability-based experiments.
Find the feasible region in a linear programming problem, graph a family of profit lines and find the optimum point.
Provides an introduction to solving equations and inequalities numerically (using a table), graphically, and algebraically.
Compare the speed at which you write with your left hand to the speed at which you write with your right hand In order to understand the three different types of possible solutions to a system of two equations with two unknowns.
Examine the difference in the number of revolutions for each of two gears in a model, in order to undertand the significance of the radii of the gears.
Algebraic notation and variables are used to recognize patterns and represent situations.
This introduction to exponential functions considers the world population since 1650. In a simulation, the population grows at a random yet predictable rate.
Write an equation of a linear function when given a set of data. Interpret the meaning of the slope and y-intercept and then use the equation to find other values of x and y.
Exponential functions are used to represent population growth.
Study quadratic functions by examining the family of functions described by = a (x - h)2 + k.
Compare the heights of a fixed amount of water poured into cylindrical containers of different sizes to the area of the containers' bases.
Factor trinomial expressions of the formx2 + bx + c. Use algebra tiles to identify the binomial factors and the graphing calculator to verify the result.
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