STAIR DESIGN
by Teresa Madyun
Solving Two-Step Equations
Solving Multi-Step Equations
Objective
Solve equations in one variable that contain
more than one operation.
Michigan High School Content Expectations (HSCE)
Strand #2: Algebra and Functions
Standards A1: Expressions, Equations, and Inequalities
Students recognize, construct, interpret, and evaluate expressions. They
fluently transform symbolic expressions into equivalent forms. They
deftermine appropriate techniques for solving each type of equation,
inequality, or system of equations, apply the techniques correctly to solve,
justify the steps in the solutions, and draw conclusions from the solutions.
They apply common formulas.
Introduction
The following Stair program is designed
for a 9th grade alternative Algebra 1
Class. This program is a stand alone
program in which students who have
been absent or who need additional
practice have an opportunity to catch up
or review for the (HSCE) test that is set
by the district for common assessment.
Home Page
Lesson 1 - One Step Equations
Lesson 2 - Two-Step Equations
Vocabulary
Quiz
Extra Practice Online Game ( One-Step Equations )
Extra Practice Online Game ( Two-Step Equations )
Solving One-Step Equations
Let’s Solve the following equations
Addition/Subtraction
X+12 = 20
m - 4 = 14
Multiplication/Division
3x = 15
m/4 = 6
2/5p = 10
X+12 = 20
QuickTime™ and a
decompressor
are needed to see this picture.
M - 4 = 14
QuickTime™ and a
decompressor
are needed to see this picture.
2/5p = 10
QuickTime™ and a
decompressor
are needed to see this picture.
3x = 15
QuickTime™ and a
decompressor
are needed to see this picture.
M/4 = 6
QuickTime™ and a
decompressor
are needed to see this picture.
Solving Two-Step Equations
2x + 12 = 30
4 + m/2 = 10
5 = 2g - 1
2x + 12 = 30
QuickTime™ and a
decompressor
are needed to see this picture.
4 + m/2 = 10
QuickTime™ and a
decompressor
are needed to see this picture.
5 = 2g - 1
QuickTime™ and a
decompressor
are needed to see this picture.
Vocabulary
Additive inverse: The opposite of a number. Two
numbers are additive inverse if their sum is zero.
Equation: A mathematical statement that two
expressions are equivalent.
Inverse operation: Operations that undo each other
Multiplicative Inverse: The reciprocal of the
number
Reciprocal: For a real number a  0 the reciprocal
of a is 1/a. The product of reciprocals is 1.
Quiz
Solve the following equations
Use paper/pencil to show your work
If you make a mistake,try try again….
Click Here to Start
-10x = 110
a. x = 11
b. X = 10
c. X = -10
d. X = -11
CORRECT
Good Job!!!!
M - 10 = -24
a. M = 34
b. M = 14
c. M = -14
d. M = -34
CORRECT
Good Job!!!!
-7 + e = 9
a. e = 16
b. e = -2
c. e = 2
d. e = -16
CORRECT
Amazing!!!!
-2 = s/-8
a. S = 6
b. s = -6
c. s = 16
d. s = -16
CORRECT
Your Doing GREAT!
3/4p = 9
a. p = -12
b. p = 12
c. p = -6
d. p = 6
CORRECT
Keep up the good work.
5x + 9 = 1
a. x = -3/5
b. x = -8/5
c. x = 5/8
d. x = 8/5
CORRECT
WOW!
5/7q - 8 = -3
a. q = 5
b. q = 4
c. q = 7
d. q = -3
CORRECT
YOU DID IT!
Great Job!
THE END!!!!
Sorry!
TRY AGAIN