# Pre-Algebra Lesson

## Pre-Algebra concepts are presented in this unit, including order of operations, and writing algebraic expressions and equations.

Try our Pre-Algebra lessons below, or browse other units of instruction.

Pre-Algebra |
Description |

Order of Operations |
To learn some rules for the order of operations. To evaluate whole-number expressions using these rules. To translate a word problem into an arithmetic expression, and then evaluate. |

Order of Operations With Exponents |
To understand all rules for order of operations. To evaluate expressions with exponents according to these rules. “PEMDAS” is used as a mnemonic. |

Order of Operations with Integers |
To evaluate expressions with integers and exponents according to PEMDAS. To show all work step by step. |

Writing Algebraic Expressions |
To define variable. To understand the difference between a numerical and an algebraic expression. To translate verbal phrases into algebraic expressions. |

Writing Algebraic Equations |
To define an algebraic equation. To translate open sentences into algebraic equations. |

Practice Exercises |
To complete 10 additional exercises as practice with pre-algebra. To assess students’ understanding of all pre-algebra concepts in this unit. |

Challenge Exercises |
To solve 10 additional problems that challenge students’ understanding of pre-algebra. Problems are drawn from real-life situations. To hone students’ problem-solving skills. |

Solutions |
To review complete solutions to all exercises presented in this pre-algebra unit. Includes the problem, step-by-step solutions, final answer and units for each exercise. |

Learning Objectives |
Learning Topics: Order of operations, order of operations with exponents, PEMDAS, order of operations with integers, writing algebraic expressions, writing algebraic equations. |