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Sheila Brune

Milliliter versus the Liter

Topic: Measurement

Concept: Estimating metric capacity using liter or milliliter

Grade level: Fourth

Materials: various food items labeled in ml or L, eyedropper, and liter container

Introduction: As you look around the house you can find many containers marked with an L or ml. These are metric units of measurement. An eye dropper holds 1ml of liquid and 1 Liter of liquid is equal to 1,000ml.

Activity:

  1. Give each student or pairs of students a food item with the label covered up. Explain the capacity of the eyedropper and then show them the liter container. The students should know that 1,000 ml = 1 Liter.
  2. Then the students will estimate the capacity of each food item using the knowledge they know about the eyedropper.
  3. They will then arrange the items in order from least to greatest.
  4. Before uncovering the results, the students can get into bigger groups and compare their results. They will have to agree on one solution.
  5. The labels will then be uncovered and the group that is the closest wins the game.

Extension activity:

This same activity can be done using ounces and pounds.

Source:

Haubner, M.A., Rathmell, E., and Super, D. (1992). Boston, MA.

Houghton Mifflin Co,.


 
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