Chapter 3, Lesson 3B Pages 160-165 Multiply fractions

Learning Objectives and Vocab. I can multiply fractions and mixed numbers. Standard: 7.NS.2, 7.NS.2a, 7.NS.2c, 7.NS.3, 7.EE.3 Vocabulary:

Key Concept

Examples

Simplifying Factors Before you multiply, you can make the problem simpler by simplifying. (Remember divisibility patterns!) Find a factor that equally divides any top number and bottom number- OR, you can find the GCF of any numerator and denominator. divide, and rewrite the problem.

Examples

To Multiply Mixed Numbers: Change any mixed numbers to improper fractions. (Simplify if you want.) Multiply numerators by numerators and denominators by denominators. Simplify and/or change improper fractions back into mixed numbers.

Examples

Real-World Example

Homework