Learners investigate the graph of the absolute value function and the relationship between the parameters of the equation and the graph of the function.

Learners investigate quadratic equations as they use a CBR to collect and analyze data regarding a bouncing ball. Pupils explore different methods for determining the equation of the parabolic path including quadratic regression and...

Pupils explore quadratic functions in this algebra lesson. They investigate transformation of quadratic functions using the TI calculator. They use the vertex form for this lesson.

Learners construct frieze patterns using translations and rotations. They will discuss how frieze patterns are similar to jigsaw puzzles and use Cabri Jr. to build a triangle frieze pattern using rotations, translations, and reflections.

Learners investigate surveying in this secondary mathematics lesson. They will explore a real world application of geometry and trigonometry as they create a plot plan using a geometry utility and calculate the area of the land parcel.

Learners investigate properties of the unit circle using sine, cosine and tangent. They analyze the answers to questions about the unit circle based on a right triangle.

Learners observe the effect "El Nino" left on kelp plants and sea urchins. They analyze the data collected by researchers, by graphing it on a TI calculator. Before graphing and analyzing the data, you may want to revisit the events of...

Middle schoolers explore the concept of electricity in this lesson as they measure the electricity that a lemon gives off. Learners use volt meters to measure the amount of electricity coming from the lemon. Your class will also...

Learners explore the pH of water in this fourth through ninth grade science lesson. They test water samples to determine the pH, then record observations at the aquatic site and compare their observations with the pH readings.

Learners test their local aquatic site to determine its water clarity. They collect a water sample and measure its turbidity using a sensor, then they repeat the experiment to obtain a second turbidity reading to find the average value.

Learners explore the health of aquatic life in this science lesson plan They measure and track the oxygen level in the water to determine the health of the aquatic life. They collect this data using the TI explorer to graph and analyze...

Learners calculate percent change and create lists of data. They enter the corresponding bushels of corn measured in billions to their list and display, then convert the acres into scientific notation and use the value on the home screen...

Learners evaluate the relationship between rainfall and runoff of a small island for one year. In this rainfall vs. runoff instructional activity, students analyze the relationship between the rainfall and the runoff on Barro Colorado...

Pupils explore data collection in this lesson. They investigate distance vs. time and velocity vs. time graphs using information collected with a CBR 2 to simulate the reconstruction of an accident.

Pupils use their knowledge of the vertex form of a quadratic equation to graph parabolas using a graphing calculator, given a specific move to make. this lesson may be used as a review or as extra practice, in groups or individually.

High Schoolers create a puppet and make predictions using the TI Navigator. In this math instructional activity, they will discuss their results as they explore transformation. This assignment requires the TI navigator or a smartboard.

Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...

Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...

High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...

High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The lesson provides an...

Learners calculate the sides of right triangles in this trigonometric ratios lesson plan. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The...

High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This instructional activity requires the use of Cabri, Jr.

Pupils investigate the pH of rain water in this earth science instructional activity. They collect rain water from their area and explore the pH when lime stone is added, then they will use the data collected to conjecture as to the...

Learners collect data, organize and analyze the data and compare it to real life scenarios. This assignment requires two class periods.