K.7 Solid Shapes All Around Us
Unit Goals
 Students identify, describe, analyze, compare, and compose two and three dimensional shapes. Counting, addition, and subtraction are revisited in the geometric contexts.
Section A Goals
 Compose shapes from smaller shapes.
 Count and compare numbers, and solve story problems involving shapes.
Section B Goals
 Compare weight and capacity of objects.
 Compose shapes from smaller shapes.
 Describe and compare threedimensional shapes.
Section A: Compose and Count with Flat Shapes
Problem 1

Fill in the puzzle using only triangle pattern blocks.

How many pattern blocks did you use?
_______________

Now fill in the puzzle using any pattern blocks you choose.

How many pattern blocks did you use?
_______________
Solution
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Problem 2

Fill in the puzzle using only green triangle and blue rhombus pattern blocks.

Did you use more
or
blocks?
green triangle
blue rhombus
Circle the shape that you used more of.

Fill in the puzzle a different way using only green triangle and blue rhombus pattern blocks.

Did you use more
or
blocks?
green triangle
blue rhombus
Circle the shape that you used more of.
Solution
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Problem 3
Mai built this shape.

How many
blocks did Mai use?
green triangle
_______________

How many
blocks did Mai use?
red trapezoid
_______________
Solution
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Problem 4
Build a shape with pattern blocks that matches the equation.
\(5 + 1 = 6\)
Solution
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Problem 5
Lin put 8 pattern blocks together to make a shape.
Then Lin took away 3 of the pattern blocks.
How many pattern blocks are in Lin's shape now?
Solution
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Problem 6
Clare used 10 pattern blocks to make a puzzle.
She used trapezoids and triangles.
How many trapezoids did Clare use?
Then how many triangles did Clare use?
_______________
_______________
Solution
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Problem 7
Exploration

Fill in the pattern block puzzle.

How many pattern blocks did you use?
_______________

Can you fill the puzzle using 10 pattern blocks?
Solution
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Problem 8
Exploration

Fill in the puzzle.
Use only 10 pattern blocks, some red trapezoids and some blue rhombuses.

Write numbers to show how many blocks you used.
I used __________ trapezoids
and __________ rhombuses.

Can you fill in the puzzle with a different number of red trapezoid and blue rhombus blocks?
Use only 10 pattern blocks, some red trapezoids and some blue rhombuses.
Solution
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Section B: Describe, Compare, and Create Solid Shapes
Problem 1
Exploration
Place 4 different objects from the classroom on the table.
Describe one of the objects to your partner.
Your partner guesses the object.
Then, guess the object that your partner describes.
Solution
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Problem 2
Exploration
 Build a tower with solid shapes.
 Can you build a tower with 10 solid shapes?
 Can you build a tower with 20 solid shapes?
 What strategies did you use when deciding which solid shapes to use and where to put the solid shapes?
Solution
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Problem 3
Exploration
Pick an object in the classroom, but don’t tell your partner which object you’ve picked.
Give your partner clues about the object until your partner guesses the object.
Solution
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Problem 4
Exploration

Can you find an object in the classroom that fits the description?
 I am not flat.
 I am heavy.
 You can see some rectangles on me.
Can you find more than one object?

Can you find an object in the classroom that fits the description?
 I am flat.
 I have lots of colors and different shapes.
 I have some rectangles.
Can you find more than one object?
Solution
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Problem 5
Exploration

Count out 18 connecting cubes.
Can you build a box with your cubes?

Count out 20 connecting cubes.
Can you build a box with your cubes?
Solution
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