Chapter 8 Multiply Fractions By a Whole Number

In Chapter 8 we will: 

• Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers

Vocabulary:

• fraction – a number that names part of a whole or part of a group

• factor - a number that is multiplied by another number to find a product

• multiple – the product of two counting numbers (ex. multiples of 3 are: 3,6,9,12,15,18,21...)

• product – the answer to a multiplication problem

• unit fraction – a fraction that has a numerator of one

• Identity Property of Multiplication - the property that states the product of any number and 1 is that number (ex. 6 x 1=6, 327 x 1=327)

Chapter 8 videos:

Lesson 8.1 Multiples of Unit Fractions 

Lesson 8.2 Multiples of Fractions 

Lesson 8.3 Multiply a Fraction by a Whole Number Using 

Models 

Lesson 8.4 Multiply a Fraction of Mixed Number by a Whole 

Number 

Lesson 8.5 Problem Solving: Comparison Problems with 

Fractions