Lesson 23 Multiplying Positive and Negative Fractions

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Lesson 2-3 Multiplying Positive and Negative
Fractions
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Main IDEA
           Targeted TEKS 8.2 
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To multiply   and     you can use an area
model to find   of  
The green shaded area represents   of  . 2

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KEY CONCEPT MULTIPLYING FRACTIONS
Words To multiply fractions, multiply the
numerators and multiply the denominators. Exam
ples Numbers Algebra
2 4 8 a c ac
where b and d c 3
5 15 b d bd
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Multiply Positive Fractions
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Multiply Negative Fractions
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Multiply Mixed Numbers
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Lesson 2-4 Dividing Positive and Negative
Fractions
        Targeted TEKS 8.2 
Main IDEA
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Dividing by 4 is the same as multiplying by    
its multiplicative inverse. This is true for any
rational number.

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Are their any questions?
I'm tired of the Stables