Hunting Treasure and Measuring - Part 2

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Exploring various modes of measurements and standard units for them.

Objectives

  • Develops the ability to obtain accurate measurements and communicate those measurements is a key requirement for progress.
  • Standardized measuring units ensure uniformity in measurements.

Estimated Time

1 hour

Prerequisites/Instructions, prior preparations, if any

  1. The students should have been introduced to the concept of formal measurements by conducting an activity on using standard measuring instruments.
  2. They should understand the importance of standard measurements and distinction between standard and non-standard units of measurements.
  3. They should be well versed with standard units and sub units.
  4. They should know unit conversions.
  5. They should have the skill of measuring and recording accurately.
  6. They should be aware that comparisons can be made only between similar measuring units.

Materials/ Resources needed

Non digital:

  1. Weighing pan with measures of 1 kg, 500gm, 250gm and 100gm and 50gm.
  2. Digital scale
  3. Postal scale.
  4. Measuring cans of 1 litre, 500ml, 250 ml, 100ml,
  5. Measuring tape, Ruler.
  6. Watch or stop clock.
  7. Paper and pen.

Process (How to do the activity)

  1. The idea here is to include several measuring units for practice.
  2. Initially instruct the students regarding the activity and its purpose.
  3. Group students into 3 in each.
  4. The teacher shall make packets of things as treasure and hide them in the school premises.
  5. The students shall pick chits containing clues to hunt and find the packets.
  6. 30 minutes is given to search.
  7. The students search packets and come back to classroom.
  8. The packets may contain cloth, ribbons, ropes, water, fruits, ingredients , vegetable , books , juice, stamps,envelops or any such measurable items.
  9. The students have to quickly decide which measuring mode they are going to use, measure and record their findings.
  10. They also have to measure the distance at which they found each and record the time taken to search.
  • Developmental Questions
  1. What treasures did they find ?
  2. At what distance did they find ?
  3. How much time did they take to find ?
  4. What measuring instruments did they use ?, why ?
  5. How will they tabulate their results ?
  6. Can you list the purpose of each ?
  • Evaluation
  1. What are standard the units of length ?
  2. What are the standard units of weight ?
  3. How are liquids measured ?
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