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Imagining numbers in measuring things sounds practical and easy. People or educators especially often think that It is similar when we learn about numbers. Anyway, it gives us a lot of trouble when there is a case of using different unit and when we have to use measurement in daily life.
Measurement should involve more practical experiments, rather than number computation. Making milk is one example when we have to use measurement and estimation about it. Cooking, baking, and all sorts of kitchen things use measurement ultimately. Planning our trip needs consideration on weather, distance, speed, and time. The more kids practice and aware the use of measurement in their life, the more skillful they will be.
Recently we are doing measurement in Maths. The kindie, fourth, and fifth grader are doing volume measurement together in real practice. It looks too simple for the fourth and fifth graders, but in fact they are just aware that making milk has certain instruction to follow to get proper result. Usually they “just do it” without knowing instruction. We would like to find out the volume of glasses that we have at home, so they will know which glass that they should use to make instant milk.
1. Measuring glass (1000ml)
2. Some glasses in different sizes
3. A box of instant milk
4. Water (to make milk)
1. We fill in the measurement glass with 1000ml water
2. We read the instruction of an instant milk box
3. The kids choose which glass is appropriate to make the milk based on the instruction
4. Kids follow the instruction to make a glass of milk for each of them
The next measurement activity is dealing with temperature.
Thermometer (Celcius and/or Fahrenheit degree)
Measure the temperature of some things, for example: body temperture, indoor temperature, refrigerator temperature, freezer temperature, boiling water, etc
Besides, we also have some problem solving regarding different and appropriate measurement units to use in certain case, for example: what unit is used to measure distance between towns, etc.