I.

    II.

    III

    IV,

    Topic Area

    Estimating and measuring in metric units.

    Introductory Statement

    Students will become familiar with metric units by

    estimating and measuring in a �Metric Olympic�

    setting.

    Math SkillsMath Skills

    Science Processes

    a. Measuring in Metric a. Estimating

    Units. b. Predicting

    Materials (per class)

    2-3 paper plates or pie pans

    3-5 paper or plastic drinking straws

    2 bags of marbles

    3 meter sticks and meter tapes

    cotton puff balls

    large sponge

    IX. What the Students Will Do

    After all the stations have been completed by all

     

    teams, each student should find the score, which is the difference between the estimates and the actual measurement for each event. This should be entered in the last column. Then each student totals the num- bers in the score column. The winner is the one with the lowest score. You may wish to discuss how a lowscore shows accuracy.

    large mixing bowl or bucket

    liter measuring set

    centimeter graph paper

    balance scale with weights

    Student Worksheets

    Awards may be presented to the winners. There

    are forms in the student worksheet section which may

    be duplicated for this purpose.

    XI. Extension

    V.

    VII.

    Key Question

    �How closely can you match your estimate and

    your actual measurement in metric units?�

    ManaQement Suggestions

    1.

    Establish fair ground rulesahead of time.

    2. Be consistent in guiding rules that determine

    fairness in measurement. For Example: Do I get

    a practice turn?

    You may wish to use one or both of the self-explan-

    atory extended activities: Metric Scavenger Hunt or

    Mini-Metric Olympics II. Mini-Metric Olympics II

    requires the computation of percent of error and is

    appropriate for the upper grades.

    Following are other investigations that require

    estimation and measurement:

    a.

    b.

    3. Measure to the nearest whole unit.

    4. Teacher needs to announce when teams will rotate

    to the next station.

    C.

     

     

    5. Estimated time to complete activity is two (2) fifty

    minute class periods.

    VIII.

    Procedure

    d.

    1. Work in small groups (5) including a team captain.

    2. There are a total of six stations with a different

    task at each station. Each station should have a

    task card with complete instructions and materials

    available. Each group is assigned to one station.

    MATH

    + SCIENCE: A SOLUTION 19

    @ 1987 AIMS Education Foundation

    Each captain may read the instructions to his team.

    It is extremely important that before each activity

    begins, each student estimates and records his/her

    estimate on his/her student score sheet. Captains

    should check all members on the team before

    beginning any activity.

    After each team member performs the activity,

    he/she measures and records his/her actual length,

    mass, volume or area.

    How many liters of water will fill your bathtub?

    Draw a cartoon and record your data.

    Draw a cartoon and record your data.

    Select five or more containers of assorted sizes

    and shapes. Can you arrange them in order from

    least to greatest and predict their volume accu-

    rately? Make a diagram and table of your results.

    Select five or more objects of various sizes and

    shapes. Can you arrange them from lightest to

    heaviest and estimate their mass accurately? Or-

    ganize and illustrate your data.

    Estimate the distance of a trip to school and back

    home in metric units. Draw a map to scale that

    illustrates how far you walk or ride to school. You

    may choose to do this with a partner and do a

    combined map so that you can make comparisons.

     

    MATH SCIENCE: A SOLUTION

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