On Tuesday we had a test on Unit 2.
Today we began Unit 3.
Please check the Unit 3 Family Letter that was placed in your child's homework folder to learn about this unit and for help in guiding your child with their math unit 3 homework.
Overview of Unit 3: Linear Measures and Area:
The standardization of units of measure in a society usually evolves in three stages. First, individuals define their own units of measure, which have little in common with units used by others. Second, the local community agrees upon a common set of units. finally, standardization develops to facilitate communication among communities.
The first three lessons of unit 3 follow this progression. Children pace off a distance with their shoes; they create a common unit for the class; and they measure lengths using U.S. customary and metric units.
The first three lessons of unit 3 follow this progression. Children pace off a distance with their shoes; they create a common unit for the class; and they measure lengths using U.S. customary and metric units.
The remaining lessons of Unit 3 extend work on perimeter and area begun in previous grades. They also begin investigating the value of pie by exploring the relationship between diameter and circumference. Unit 3 has four main areas of focus:
- To explore the need for standard units of measure
- To measure lengths using customary and metric units
- To develop the concept of area, and
- To investigate the relationship between diameter and circumference.
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