One Step Equations

One Step Equations

Essential Question:

How do mathematicians write and solve equations using subtraction and division?

I CAN Statements:

I CAN apply the Addition and Subtraction Properties of Equality to produce equivalent equations.

I CAN solve equations using Addition or Subtraction.

Poll

(Activating Prior Knowledge) Solve for x:

x + 10= 30

• 20

• 30

• 10

Lesson Agenda

• Warm-Up (Activated Prior-Knowledge)

• Interactive Mini-Lesson

• Reflection

• Announcements

• Quick Check (DPA)

Introduction

What you do to one side of the equation must also be done to the other side to keep it balanced.

Multiple Select

What is the Inverse Operation for Multiplication?

• Division

• Addition

• Subtraction

Multiple Choice

Student Practice: (Solve for M)

12 + m = 34

• m=20

• m=22

• m=34

Multiple Choice

Student Practice: ( Solve for C)

C - 27 = 40

• C = 20

• C = 37

• C = 67

Open Ended

Real World Problem:

1. Bob is exercising and eating right to lose weight. After losing 26 pounds, Bob weighs 231 pounds. What was Bob’s weight before he started exercising and eating right?

Write an equation to solve the problem. Use the variable (r) for his initial weight amount

Poll

Rate Your self on your understanding of todays Lesson learning targets. (1-4)

• 1

• 2

• 3

• 4