2.5
Dividing
Two
Fractions
Using
Manipulatives
2.5
Dividing
Two
Fractions
Using
Manipulatives
2.5
Dividing
Two
Fractions
Using
Manipulatives
2.5
Dividing
Two
Fractions
Using
Manipulatives
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Dividing Fractions with Manipulatives
½ can be represented as:
1/6 can be represented as:
The equation can be understood as: how many green
triangles can you make with the red semi-hexagon?
Pattern Block Applet
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•
When dividing fractions, we can use pattern blocks
to represent certain fractions
A red semi-hexagon can be
DIVIDED into 3 green triangles
Practice: Divide
½ can be represented as:
How many triangles can you
divide this shape into?
The equation can also be understood as:
how many blue parallelograms can you
make with the red semi-hexagon?
This part can only support
half a parallelogram
Pattern Block Applet
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When you divide the red hexagon by the
blue parallelograms, you can only make 1.5
parallelograms
Dividing Fractions with Area Model
•
Draw each fraction as a diagram
•
1
st
fraction as columns, 2
nd
fraction as rows
•
How many groups of the 2
nd
fraction can you make with
the 1
st
fraction
Ex: Divide
2/5 has 6 blocks
1/3 has 5 blocks
Therefore, the quotient will be 6 over 5!!
Check:
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Practice: Divide the following Using
the Area Model
4/9 has 24 blocks
1/6 has 9 blocks
The quotient will be 24 over 9
Simplify
1/4 has 3 blocks
2/3 has 8 blocks
The quotient will be 3 over 8
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Check:
Check:
Homework:
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