Rectangles and Squares
10 min
Narrative
The purpose of this What Do You Know about...? is for students to share what they know about a square. Students revisit this same question in the lesson synthesis.
Launch
- Display the image.
- “What do you know about this shape?”
- 1 minute: quiet think time
Teacher Instructions
- Record responses.
Student Task
What do you know about this shape?
Sample Response
Sample responses:
- It’s a square.
- There are 4 sides that are all equal.
- All of the angles measure 90 degrees. Or all angles are right angles.
- The opposite sides are parallel to each other.
Activity Synthesis (Teacher Notes)
- “What is this shape called?” (a square)
- “How do you know it is a square?” (It has 4 equal sides and 4 angles that are 90 degrees.)
- “We are going to come back to this question in the Lesson Synthesis.”
Standards
Building Toward
- 5.G.3·Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. <em>For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.</em>
- 5.G.B.3·Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. <span>For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.</span>
15 min
20 min
Knowledge Components
All skills for this lesson
No KCs tagged for this lesson
Rectangles and Squares
10 min
Narrative
The purpose of this What Do You Know about...? is for students to share what they know about a square. Students revisit this same question in the lesson synthesis.
Launch
- Display the image.
- “What do you know about this shape?”
- 1 minute: quiet think time
Teacher Instructions
- Record responses.
Student Task
What do you know about this shape?
Sample Response
Sample responses:
- It’s a square.
- There are 4 sides that are all equal.
- All of the angles measure 90 degrees. Or all angles are right angles.
- The opposite sides are parallel to each other.
Activity Synthesis (Teacher Notes)
- “What is this shape called?” (a square)
- “How do you know it is a square?” (It has 4 equal sides and 4 angles that are 90 degrees.)
- “We are going to come back to this question in the Lesson Synthesis.”
Standards
Building Toward
- 5.G.3·Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. <em>For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.</em>
- 5.G.B.3·Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. <span>For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.</span>