1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. OnTrack logo

    Scientific Notation

    • Resource ID: SM0L11
    • Grade Range: 9–12
    • Subject: Science

    Given quantitative data students will express and manipulate chemical quantities using scientific notation.

  6. 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.

  7. Science icon

    Protein Synthesis

    • Resource ID: R4SCI0004
    • Grade Range: 9–12
    • Subject: Science

    The learner explores the structure and function of the nucleic acids and enzymes important to the process of synthesizing proteins.

  8. R4 logo

    Cell Comparisons

    • Resource ID: R4SCI0006
    • Grade Range: 9–12
    • Subject: Science

    Learners compare a variety of prokaryotes and eukaryotes to determine similarities and differences among and between them.

  9. R4 logo

    The Role of Enzymes

    • Resource ID: R4SCI0015
    • Grade Range: 9–12
    • Subject: Science

    Learners investigate the role of enzymes at the molecular level as well as through “real-world” applications.

  10. Genetic Mutations

    • Resource ID: R4SCI0032
    • Grade Range: 9–12
    • Subject: Science

    This resource uses video, animation, text, and web-based interactives to help students identify changes in DNA and evaluate the effects of those changes.