In preschool. we use non-standard units (blocks, unifix cubes, footprints, etc) to practice measurement.
Before we teach a child to measure, we must introduce him to the concept of size. When a child can put things in order by size, he is ready to learn how to use non-standard units to measure things.
We made these "measurement cards" so that children could practice lining the blocks up from one end to the other.
These children are measuring various objects on cards and then recording their answers.
When we do an activity with this many things to measure, we usually take more than one day to complete the activity.
Non-standard measurement can and should be practiced with length, weight and volume.
We know that a child has mastered a concept when he spontaneously begins to do it by himself during learning center time.
Wendy Joy Yohman
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