12/7 Lesson 3.2.2 Guess My Number

1.  Warm-up:  

I'm thinking of a number that...

• When you double my number
• then add 8
• then subtract my number
• and subtract 4

You get...

• My number plus 4

Guess my number.  Check that your solution is correct.  Then, write an algebraic equation to represent the situation.

2.  Lesson 3.2.2 Guess My Number

• Objectives:
• I will represent word problems with algebraic equations
• I will determine how many solutions an equation has
• Guess my Number game
• Problem 81 in teams:  How many solutions does each equation have?  Check your solution if applicable.
• Individually: Make your own Guess my Number Game.  You must know the solution to your own game!
• Share your game with your teammates to solve.

Homework:  Lesson 3.2.2 R/P (8th grade) #86-88 only