# Multiplying improper fractions and mixed numbers

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##### Intros
###### Lessons
1. Simplify fractions: Method A - By using greatest common factors
2. Simplify fractions: Method B - By using common factors
3. How to multiply fractions with cross-cancelling?
4. How to convert between mixed numbers and improper fractions?
5. How to multiply improper fractions and mixed numbers?
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##### Examples
###### Lessons
1. Multiplying Improper Fractions and Mixed Numbers Using Area Models
Use an area model to find each product.
1. $\frac{1}{3} \times 2\frac{1}{3}$
2. $1\frac{1}{4} \times 1\frac{1}{2}$
3. $2\frac{1}{5} \times 1\frac{1}{6}$
2. Multiply Improper Fractions and Mixed Numbers Involving Single-digit Numbers
Estimate and calculate each product.
1. $3\frac{2}{3} \times 1\frac{1}{4}$
2. $\frac{7}{4} \times \frac{{13}}{8}$
3. $2\frac{2}{5} \times 6$
3. Word Problems: Multiplying Improper Fractions and Mixed Numbers
Three and a half rolls of wrapping paper are needed to wrap 10 presents. How many rolls of wrapping paper are needed to wrap 25 presents?
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