Lesson: Solve Two-Step Equations
Presentation
•
Mathematics
•
9th Grade
•
Medium
+4
Standards-aligned
Christopher Gassler
Used 33+ times
FREE Resource
5 Slides • 10 Questions
1
Categorize
Put my PHONE AWAY!
Have my charged iPad
Text my friends during class
Have my notebook out
Not take a single note
Are you ready?
2
Solve Two-Step Equations
Objective: Solve two-step equations.
3
Drag and Drop
4
2x - 6 = -24
STEPS
1) Add or Subtract to remove a number
Manipulate the equation to get the variable by itself
2) Multiply or Divide to remove a number
5
Match
Match the following equation with the first step you would perform to solve.
5x - 3 = 21
5x + 3 = 1
3x + 5 = 6
3x - 5 = 9
add 3 to both sides
subtract 3 from both sides
subtract 5 from both sides
add 5 to both sides
add 3 to both sides
subtract 3 from both sides
subtract 5 from both sides
add 5 to both sides
6
Math Response
Solve: 3x - 9 = -24
7
10 - 3x = -14
STEPS
1) Add or Subtract to remove a number
EXAMPLE
2) Multiply or Divide to remove a number
8
Match
Match the following equation with the first step you would perform to solve.
-6 + 3x = 14
6 - 3x = 16
3 - 6x = 2
-3 - 6x = 19
add 6 to both sides
subtract 6 from both sides
subtract 3 from both sides
add 3 to both sides
add 6 to both sides
subtract 6 from both sides
subtract 3 from both sides
add 3 to both sides
9
Math Response
Solve: 10 - 2x = -10
10
-3 = 15 - 9x
STEPS
1) Add or Subtract to remove a number
EXAMPLE
2) Multiply or Divide to remove a number
11
Match
Match the following equation with the first step you would perform to solve.
12 = -4 - 7x
12 = 4 + 7x
12 = 7 - 4x
12 = -7 + 4x
add 4 to both sides
subtract 4 from both sides
subtract 7 from both sides
add 7 to both sides
add 4 to both sides
subtract 4 from both sides
subtract 7 from both sides
add 7 to both sides
12
Math Response
Solve: 43 = -23 - 3x
13
EXAMPLE
STEPS
1) Add or Subtract to remove a number
2) Multiply or Divide to remove a number
14
Math Response
Solve: 7x−2=8
15
Poll
Which describes how you feel about this skill?
Put my PHONE AWAY!
Have my charged iPad
Text my friends during class
Have my notebook out
Not take a single note
Are you ready?
Show answer
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