Cannonball Clowns (Number Line Estimation)


Launch clowns from a circus cannon and try to hit the target. Drag digit cards on the control panel to set the launch distance and choose an appropriate unit of distance. After practicing your clown-launching skills on a number line, move on to the Big Top, Football Field, School Buses, the Golden Gate Bridge, and more!

Screenshot of Cannonball Clowns (Number Line Estimation) Gizmo

LESSON MATERIALS:

LEARNING OBJECTIVES:

  • Identify an object's location on a number line.
  • Develop strategies for estimating distances.
  • Estimate distances using various measurement units.
  • Convert from one measurement unit to another.

VOCABULARY:

  • approximate, estimate

User Recommendations (10):

  • avatar
    Kids LOVE it!

    MATH:  4th Grade

    By: Stacey Sawyer (Maine) | Recommended 119 days ago

  • avatar
    This is one of the most motivating Gizmos! Kids love it.

    MATH:  3rd Grade, 4th Grade

    By: Karen Clore (Virginia) | Recommended 191 days ago

  • avatar
    Funny gizmo..great for estimation and measurement units

    SCIENCE:  4th Grade

    By: Angela Ebert (Ohio) | Recommended 274 days ago

  • avatar
    This Gizmo is terrific for number line estimation, estimating distance, converting units of measure!

    MATH:  3rd Grade, 4th Grade

    By: Dawn Rowley (Virginia) | Recommended 293 days ago

  • avatar
    Students loved it! They also learned about the two different units of measurement between the United States and Canada.

    MATH:  3rd Grade, 4th Grade

    By: Kimberly Martin (Quebec) | Recommended 305 days ago

User Testimonials

Critical Acclaim

  • Winner: Golden Lamp Award

    2010 AEP

  • Winner: Best Science Instruction Solution

    2010, 2007, 2006 SIIA CODiE Awards

  • Finalist: Best K-12 Instructional Solution

    2010 SIIA CODiE Awards

  • Winner: Best K-12 Instructional Solution

    2009 SIIA CODiE Awards

  • Winner: Award of Excellence

    2009, 2008 Tech and Learning Magazine

  • Winner: Distinguished Achievement Award

    2008, 2007, 2005 AEP

  • Finalist: Distinguished Achievement Award

    2010, 2009, 2006 AEP

  • Finalist: Golden Lamp Award

    2009, 2008, 2006 AEP

  • Finalist: Best Math Instructional Solution

    2009, 2008, 2006 SIIA CODiE Awards

  • Finalist: Best Instructional Solution, Science

    2009, 2008 SIIA CODiE Awards

  • Finalist: Best Instructional Solution, Online

    2006 SIIA CODiE Awards

  • Diamond Award in Mathematics

    District Administration Magazine

  • E-Learning Innovation Award

    Macromedia Corp.

  • Best Education Website

    Webby Awards

  • Three time Digital Dozen Honoree

    Eisenhower National Clearinghouse

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