1. OnTrack logo

    Functions and their Inverses

    • Resource ID: A2M3L8
    • Grade Range: 9–12
    • Subject: Math

    Given a functional relationship in a variety of representations (table, graph, mapping diagram, equation, or verbal form), the student will determine the inverse of the function.

  2. OnTrack logo

    Determining Area: Sectors of Circles

    • Resource ID: GM4L3
    • Grade Range: 9–12
    • Subject: Math

    Students will use proportional reasoning to develop formulas to determine the area of sectors of circles. Students will then solve problems involving the area of sectors of circles.

  3. OnTrack logo

    Interpreting Graphs

    • Resource ID: A1M2L3
    • Grade Range: 9–12
    • Subject: Math

    Given a graph, the student will analyze, interpret, and communcate the mathematical relationship represented and its characteristics.

  4. OnTrack logo

    Using Logical Reasoning to Prove Conjectures About Quadrilaterals

    • Resource ID: GM1L18
    • Grade Range: 9–12
    • Subject: Math

    Given conjectures about quadrilaterals, the student will use deductive reasoning and counterexamples to prove or disprove the conjectures.

  5. OnTrack logo

    Applying Trigonometric Ratios

    • Resource ID: GM5L4
    • Grade Range: 9–12
    • Subject: Math

    Given problem situations involving similar figures, the student will apply and justify triangle similarity relationships such as trigonometric ratios.

  6. OnTrack logo

    Using Logical Reasoning to Prove Conjectures about Circles

    • Resource ID: GM1L19
    • Grade Range: 9–12
    • Subject: Math

    Given conjectures about circles, the student will use deductive reasoning and counterexamples to prove or disprove the conjectures.

  7. OnTrack logo

    Coordinate Geometry: Special Segments

    • Resource ID: GM3L8
    • Grade Range: 9–12
    • Subject: Math

    The student will derive and use the slope and midpoint formulas to verify geometric relationship that include parallelism and perpendicularity of lines. Then, the student will determine an equation of a line parallel or perpendicular to a given line.

  8. OnTrack logo

    Exploring Probability with Independent Events

    • Resource ID: M7M2L14
    • Grade Range: 7
    • Subject: Math

    Given a problem situation, students will use experimental data or theoretical probability to make predictions and determine solutions to situations involving independent events.

  9. OnTrack logo

    Generating Similar Figures Using Dilations

    • Resource ID: M7M2L11
    • Grade Range: 7
    • Subject: Math


    Given a figure, the student will identify the scale factor used for a dilation, and use a dilation by a scale factor, including enlargements and reductions, to generate similar figures.

  10. OnTrack logo

    Making and Verifying Conjectures About Triangles

    • Resource ID: GM4L15a
    • Grade Range: 9–12
    • Subject: Math

    Given examples of triangles and their component parts, the student will use explorations and concrete models to verify and apply the Triangle Inequality theorem and find the sum of interior angles.

  11. OnTrack logo

    Selecting and Using Appropriate Operations

    • Resource ID: M7M1L3
    • Grade Range: 7
    • Subject: Math

    Given problem situations, the student will select and use appropriate operations to solve problems and justify the choice of operations.

  12. OnTrack logo

    Solving Systems of Equations with Graphs

    • Resource ID: A1M5L9
    • Grade Range: 9–12
    • Subject: Math

    Given verbal and/or algebraic descriptions of situations involving systems of linear equations, the student will solve the system of equations using graphs.

  13. Organizing Olympic Outcomes

    • Resource ID: TXLS095
    • Grade Range: 4
    • Subject: Math

    Students will explore frequency tables, dot plots, and stem and leaf plots by creating different representations from a given set of data points.

  14. Roll With It

    • Resource ID: TXLS066
    • Grade Range: 6
    • Subject: Math

    Students will experience a hands-on lesson regarding ratios. While doing this, students will deepen their understanding of the concepts of ratios.

  15. Icon image

    Give a Hoot . . . Fraction Scoot

    • Resource ID: TXLS133
    • Grade Range: 5
    • Subject: Math

    Students will add and subtract unlike denominators using pictorial models and manipulatives. During the lesson, they will use both group and independent work to build confidence as they use a variety of formative assessments to check for understanding. The final activity in the lesson has both application of the concepts being taught and a personal reflection of understanding. 

  16. OnTrack logo

    Solving Quadratic Equations Using Concrete Models

    • Resource ID: A1M6L5
    • Grade Range: 9–12
    • Subject: Math

    Given a quadratic equation, the student will use tiles to factor and solve the equation.

  17. Lines of Symmetry

    • Resource ID: TXLS107
    • Grade Range: 1
    • Subject: Math

    Students will work collaboratively with a partner to discover what is a line of symmetry.

  18. OnTrack logo

    Evaluating Methods of Sampling from a Set of Data

    • Resource ID: M7M2L19
    • Grade Range: 7
    • Subject: Math

    Given a problem situation, the student will evaluate a method of sampling to determine the validity of an inference made from the set of data.

  19. OnTrack logo

    Determining Parent Functions (Verbal/Graph)

    • Resource ID: A1M2L1
    • Grade Range: 9–12
    • Subject: Math

    Given a graph or verbal description of a function, the student will determine the parent function.

  20. OnTrack logo

    Coordinate Geometry: Length and Distance

    • Resource ID: GM3L9
    • Grade Range: 9–12
    • Subject: Math

    Given coordinates of points, the student will use the distance formula to solve problems involving length and distance.