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How to Use Scales to Find Actual Measures for Sixth Grade Math

Scales can be used to compare the weights of more than one object to see which is heavier. For example, if you place an apple on one side of a balance scale and a feather on the other side, the side with the feather would tip upward, indicating that the feather is lighter. Students in the sixth grade are expected to understand how to measure an object using applicable units of measurement. For example, kilograms or Newtons -- the kilogram is the metric measurement for mass and the Newton is the metric measurement for weight.

Beam balance scales
Set of weights of known mass

Instructions

- 1
  Place the object you want to weigh on the right side of the balance scales.
- 2
  Place a weight on the left side of the balance scales. Choose a weight that makes the scales equal in height. (The beam should be horizontal). You may need to use several weights.
- 3
  Count the kilograms listed on top of the weights to find the mass and add them up. For example, if you have three weights of 100 kilograms, 50 kilograms and 10 kilograms, then your mass is 160 kilograms.
- 4
  Multiply the mass of your object by 9.8 (the force of gravity) to find the object's weight. In the above example, the weight would be: 160 kilograms * 9.8 = 1568 Newtons.

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