Table of Contents

Unit 2: Overarching Habits of Mind (MP1 and MP6)

2.3.1 Focusing on Mathematical Statements

Time to Try

Read the statements below about rectangles (written by grade-level teachers of mathematics).

Teacher
Grade Level
Task: Write a statement about rectangles.
Special Education Elementary  If a figure has four right angles, then it is a rectangle.
7th If a shape is a rectangle, then it is a parallelogram with at least two right angles.
5th If a figure is a rectangle, then it is a parallelogram with at least one right angle.
4th If a figure is a rectangle, then it is a four-sided polygon with four right angles.
2nd If a figure is a rectangle, then it is a four-sided polygon with four right angles.
6th If a parallelogram is a rectangle, it has four right angles.
Time to Reflect

What do you notice about the teacher’s statements?

 

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