K.3 Flat Shapes All Around Us

Unit Goals

• Students identify, describe, analyze, compare, and compose two-dimensional shapes.

Section A Goals

• Recognize and describe shapes in the environment.
• Use informal language to describe and compare shapes and their attributes.

Section B Goals

• Explore shapes by putting shapes together to form larger shapes.

Problem 1

Describe some of the shapes you see in the picture.

Problem 2

1. Circle the shape that is the same as

2. Circle the shape that is the same as

Problem 3

How are the shapes alike?
How are they different?

1.

2.

Problem 4

Circle the shapes that have curved sides.

Problem 5

Color in the triangles.
Cross out the shapes that are not triangles.

Problem 6

Color in the rectangles.
Cross out the shapes that are not rectangles.

Problem 7

Circle the rectangle that is longer.

Problem 8

1. Connect the dots.
What shape did you draw?

2. Connect the dots.
What shape did you draw?

3. Draw a shape with 4 sides and 4 corners on the dot paper

Problem 9

What shapes do you see in this picture?

Problem 10

Exploration

1. Where do you see triangles in this picture?
2. Where do you see rectangles in this picture?

Problem 11

Exploration

1. How many different size squares do you see?
2. How many squares do you see altogether?

Problem 1

1. Fill in the pattern block puzzle.

2. How many green triangles did you use?

3. How many yellow hexagons did you use?

Problem 2

1. Color in all of the squares.

2. How many squares did you color?

Problem 3

Fill in the puzzle.

Can you fill in the puzzle a different way?

Problem 4

1. Build a shape with a hexagon, 3 triangles, and a square.
2. Describe where the square is in the shape.

Problem 5

What shapes do you recognize in the picture?

Problem 6

Exploration

How many different ways can you fill in the puzzle?

Problem 7

Exploration

1. Fill in the pattern block puzzle in some different ways.

2. Jada filled in the puzzle with 9 pattern blocks.
Which pattern blocks do you think Jada used?
3. Can you fill in the puzzle with 3 pattern blocks?