Name
14.2
HANDS ON
?
Attributes of
Two-Dimensional Shapes
Essential Question
Geometry and
Measurement—1.6.B,
1.6.D
Also 1.6.A, 1.6.C
MATHEMATICAL PROCESSES
1.1.D, 1.1.E, 1.1.F, 1.1.G
What attributes can you use to describe
two-dimensional shapes?
Hands
On
Explore
Explore
Use two-dimensional shapes. Sort them
into two groups. Draw to show your work.
curved
straight
Math Talk
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Mathematical Processes
FOR THE TEACHER • Have children sort
two-dimensional shapes into groups that
are curved and straight. Have them draw
the shapes to show how they sorted.
Module 14
Explain how you
sorted the shapes
into two groups.
Name the shapes in
each group.
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Model
Model and
and Draw
Draw
side
Some shapes have
straight sides and
vertices.
hexagon
rhombus
vertex
(corner)
Share
Share and
and Show
Show
Use two-dimensional shapes. Draw
and write to complete the chart.
1.
hexagon
2.
rectangle
3.
square
4.
rhombus
5.
triangle
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Number of
Straight
Sides
Number of
Vertices
(Corners)
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Shape
Draw the
shape.
Name
Problem
Problem Solving
Solving
Use
to trace each straight side.
Use
to circle each vertex (corner).
Write the number of sides and vertices (corners).
6.
7.
—
sides
—
sides
—
vertices
—
vertices
8. Circle the rhombus.
9. Color the hexagon red.
Draw a picture to solve.
10. I am a shape with 3 straight
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sides and 3 vertices.
12.
11. I am a shape with 4 straight
sides that are the same
length and 4 vertices.
Multi-Step Draw two different
shapes that each have only 4 vertices.
Module 14 • Lesson 2
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Mathematical Processes
M
Model ¥ Reason ¥ Communicate
M
Daily
Daily Assessment
Assessment Task
Task
Choose the correct answer.
13. Analyze Tom draws a closed shape with only
a curved surface. Which shape does he draw? FPO
circle
hexagon
rectangle
14. Use words from the box.
Write the shape names.
Write the number of sides
and vertices (corners).
—
—
—
vertices
—
sides
vertices
TEXAS Test Prep How many vertices
does a triangle have?
2
3
5
TAKE HOME ACTIVITY • Have your child draw a square, a trapezoid, and a
triangle. For each shape, have him or her show you the sides and vertices, and
tell how many of each.
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15.
sides
rhombus
rectangle
hexagon
Geometry and Measurement—1.6.B, 1.6.D
Also 1.6.A, 1.6.C
MATHEMATICAL PROCESSES 1.1.D, 1.1.E, 1.1.F, 1.1.G
Homework
and Practice
14.2
HANDS ON
Name
Attributes of
Two-Dimensional Shapes
Use
to trace each straight side.
Use
to circle each vertex (corner).
Write the number of sides and vertices (corners).
1.
3.
—
sides
—
vertices
— sides
—
vertices
2.
—
sides
—
vertices
—
sides
—
vertices
4.
Problem Solving
Solving
Draw a picture to solve.
5. I am a shape with
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6 straight sides and
6 vertices.
Module 14
6. I am a shape with 4 straight
sides that are not all the
same length and 4 vertices.
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TEXAS Test Prep
Lesson
Lesson Check
Check
Choose the correct answer.
7. Max draws a shape with 3 straight sides
and 3 vertices. Which shape does he draw?
rhombus
triangle
square
8. Leila draws a shape with 6 straight sides
and 6 vertices. Which shape does she draw?
hexagon
rhombus
rectangle
9. How many vertices does a rhombus have?
6
4
3
10. Multi-step Sofie has 13 shapes. There
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7
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are triangles, rectangles, and hexagons.
Four shapes have 3 straight sides. Two
shapes are hexagons. How many shapes
are rectangles?