Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Name Letters

For Students 9th - 10th
Crack the code and can determine the cost of your name. Use this activity to practice solving systems of equations.
Activity
Texas Instruments

Texas Instruments: Linear Inequalities

For Teachers 9th - 10th Standards
In this question set, students are asked to solve inequalities in one variable, graph linear inequalities, and graph systems of linear inequalities. Questions are multiple choice and true/false; solutions are included.
Activity
Texas Instruments

Texas Instruments: Simultaneous Equation Solver App

For Teachers 9th - 10th
Students use this App to calculate solutions (a unique solution, no solution, or an infinite number of solutions.unique) for linear systems. They can work with systems that contain both numeric and symbolic coefficients and have up to 30...
Activity
Texas Instruments

Texas Instruments: Math Today for Ti Navigator System Paying College Tuition

For Teachers 9th - 10th
Students will write exponential equations based on the percent of increase of college costs and will graph and interpret these equations. Students will then use an inflationary equation based on the USA TODAY Snapshot, "Paying college...
Activity
Texas Instruments

Texas Instruments: Staggered Races 1: Varying the ?B? In Y=mx+b

For Teachers 9th - 10th
The primary focus in this activity is on parallel lines and equivalent equations. In Activity 1 and Activity 2, the class collectively will create a system of parallel and coinciding lines. It is important to focus on parallel lines...
Activity
University of Cambridge

University of Cambridge: Maths and Sports: Training Schedule

For Students 9th - 10th
The heptathlon consists of 7 athletics events. Looking at a heptathlete's current performance in these events, how should she plan her training schedule? This activity examines the maths behind the heptathlon's scoring system, and is...
Activity
Texas Instruments

Texas Instruments: Sack Race

For Teachers 9th - 10th
The primary focus should be on slope as rate of change and piecewise functions. This activity allows exploration of multiple types of slope; i.e., positive slope, negative slope, or zero slope for students to build their understanding of...
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Set the Trap

For Teachers 9th - 10th Standards
Based off of the hit television show NUMB3RS, this lesson shows students a real-world application to matrices and matrix operations. Framed in the context of a stolen painting which the thief may hide at different warehouses, students...
Activity
Texas Instruments

Texas Instruments: Intersection of a Line With a Parabola

For Teachers 9th - 10th
In this activity, students use Computer Algebra System (CAS) tools to find intersections of linear and non-linear equations. They confirm their answers by graphing the equations on the calculator.
Activity
Texas Instruments

Texas Instruments: Matrices and Linear Equations

For Teachers 9th - 10th Standards
This Computer Algebra System (CAS) activity encourages students to investigate addition, subtraction, and multiplication of matrices. They find the inverse of a matrix. Students also solve a set of linear equations by using matrices.
Activity
Texas Instruments

Texas Instruments: Getting Started With the Ti Navigator System: River of Life

For Teachers 9th - 10th Standards
This lesson introduces students to Activity Center and is intended to help students develop the conceptual understanding of how to identify functions as linear or nonlinear and contrast their properties from tables, graphs, or equations.
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Ecuaciones Y Sistemas De Ecuaciones

For Students 9th - 10th Standards
In Spanish. Practice how to solve system of equations graphically with this interactive activity.
Activity
Texas Instruments

Texas Instruments: Matrices Using Cas

For Teachers 9th - 10th Standards
This Computer Algebra System (CAS) activity encourages students to perform basic arithmetic operations on matrices, and solving a set of equations using CAS.
Activity
Texas Instruments

Texas Instruments: Perpendicular or Parallel?

For Teachers 6th - 8th Standards
Students can use TI 73 calculators to explore equations that create parallel and perpendicular lines. Teacher will use the screen capture feature of the Navigator system to display students graphs and equations to discuss observations to...