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Partition Shapes Into Equal Shares
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 How to split shapes into equal parts.
 That shapes can be split into halves, fourths and thirds!
 How this knowledge can help us share breakfast, snacks and art supplies with our friends!

Discussion Questions

Before VideoHow can you make a bigger shape out of smaller shapes?ANSWER

I can put smaller shapes together in the shape I want to make.

Put the squares side by side. Or, put one square below the other one.

Put all the squares side by side. Or, put all the squares one below the other. Or, make the four small squares into one bigger square.
ANSWER
You can put two triangles together.

The word ‘equal’ means the same. It means they are the same size.


After VideoHow do you split a shape into halves? How many halves make a whole?ANSWER

You split it into two equal parts. Two halves make a whole.

You split it into four equal parts. Four fourths make a whole.

The parts are called thirds.

Yes. For example, you could split it in half from top to bottom or from side to side.
ANSWER
No. The parts are only fourths when they are the same size.



Vocabulary

Equal parts
DEFINE
Parts of a whole that are the same size.

Half
DEFINE
One of two equal parts of a whole.

Whole
DEFINE
One entire shape or object.

Fourth
DEFINE
One of four equal parts of a whole.

Third
DEFINE
One of three equal parts of a whole.

Circle
DEFINE
A round shape with no sides or corners.

Rectangle
DEFINE
A shape with 4 sides and 4 square corners.

Square
DEFINE
A shape with 4 equal sides and 4 square corners.

Equal parts
DEFINE

Reading Material
Download as PDF Download PDF View as Separate PageWHAT ARE EQUAL SHARES?You can partition shapes into equal shares. Shares are equal when they are the same size.
To better understand partitioning shapes into equal shares…
WHAT ARE EQUAL SHARES?. You can partition shapes into equal shares. Shares are equal when they are the same size. To better understand partitioning shapes into equal shares…LET’S BREAK IT DOWN!
Make 2 equal shares of a circle.
You have a pancake. It's in the shape of a circle. You can share your pancake fairly by cutting it into equal shares. You cut a line straight down the middle. There are 2 pieces. The equal parts are called halves. 2 halves make 1 whole.
Make 2 equal shares of a circle. You have a pancake. It's in the shape of a circle. You can share your pancake fairly by cutting it into equal shares. You cut a line straight down the middle. There are 2 pieces. The equal parts are called halves. 2 halves make 1 whole.Stack parts to check for equal shares.
You cut a pancake into 2 parts. How can you tell if your pieces are equal shares? Stack one piece on top of the other. They are exactly the same. The 2 pieces are equal shares.
Stack parts to check for equal shares. You cut a pancake into 2 parts. How can you tell if your pieces are equal shares? Stack one piece on top of the other. They are exactly the same. The 2 pieces are equal shares.Make 4 equal shares of a rectangle.
You have a waffle. It's in the shape of a rectangle. You can share your waffle fairly by cutting it into equal shares. You cut your rectangle into 4 equal parts. 4 equal parts are called fourths. 4 fourths make 1 whole.
Make 4 equal shares of a rectangle. You have a waffle. It's in the shape of a rectangle. You can share your waffle fairly by cutting it into equal shares. You cut your rectangle into 4 equal parts. 4 equal parts are called fourths. 4 fourths make 1 whole.Find if the shares are equal.
You have a sandwich. It's in the shape of a square. You cut your sandwich into 4 parts. Some parts are larger than others. The parts are not equal shares. The parts are not fourths.
Find if the shares are equal. You have a sandwich. It's in the shape of a square. You cut your sandwich into 4 parts. Some parts are larger than others. The parts are not equal shares. The parts are not fourths.Make 3 equal parts of a circle.
You have a quesadilla. It is in the shape of a circle. You can use a string to help you make 3 equal parts. 3 equal parts are called thirds. 3 thirds make 1 whole.
Make 3 equal parts of a circle. You have a quesadilla. It is in the shape of a circle. You can use a string to help you make 3 equal parts. 3 equal parts are called thirds. 3 thirds make 1 whole. 
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Science & Math$_{/yr}

Science Only$_{/yr}
You split a rectangle into halves. How many halves make one whole?
A cake is in the shape of a circle. You split the cake into four equal parts. What are the parts called?
A sandwich is in the shape of a square. You split the sandwich into three equal parts. What are the parts called?
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