Chapter 9: Use Multiplication and Division Facts
Lesson 1: Expressions. Objective: To write and evaluate expressions.
Lesson 2: Order of Operations. Objective: To use the order of operations to evaluate expressions.
Lesson 3: Expressions and Equations with Variables. Objective: To write and evaluate expressions and equations with variables.
Lesson 4: Problem Solving Strategy: Work Backward. Objective: To solve problems using the strategy work backward.
Lesson 5: Balance Equations. Objective: To keep both sides of an equation equal by suing multiplication and division.
Lesson 6: Patterns: Find a Rule. Objective: To find a rule and extend a pattern when input and output numbers are given.
Vocabulary: expression, variable, equation, order of operations
expression: part of a number sentence that has numbers and operation signs, but does not have an equal sign
variable: a letter that can stand for any number
equation: a number sentence that shows two amounts are equal
order of operations: rules for performing operations in expressions that have more than one operation
Our textbook website: www.harcourtschool.com
Some good practice websites: