Lesson: Solving One-Step Equations
Presentation
•
Mathematics
•
9th Grade
•
Medium
+4
Standards-aligned
Christopher Gassler
Used 43+ times
FREE Resource
10 Slides • 9 Questions
1
Poll
Are you ready to do some super exciting math?
Maybe with a notebook and something to write with.
2
Objective: solve one-step equations
3
Math Response
What number should go in the box to make the statement true?
8 = 🔲 + 5
4
A variable is just the grown-up way of using a box.
8 = x + 5
A solution is a number that can be plugged in for the variable to make a true number statement.
8 = 8
5
Subtracting the same number from both sides of an equal sign makes an equivalent equation.
subtract 3 from both sides
subtract 7 from both sides
6
Subtracting the same number from both sides of an equal sign makes an equivalent equation.
x + 7 = 15
what does x equal?
what does x equal?
subtract 3 from both sides
7
x + 10 = 18
8
Dropdown
9
Adding the same number to both sides of an equal sign makes an equivalent equation.
add 3 to both sides
10
x - 10 = 8
11
Dropdown
12
Dividing both sides of an equal sign by the same number makes an equivalent equation.
2 ⋅ x = 8
2 ⋅ 🔲 = 8
13
Multiple Choice
Given the equation: -14 = -9b, what would you do to both sides to get b by itself?
Add 9 to both sides
Divide both sides by 9
Add 14 to both sides
Subtract 14 from both sides
Divide both sides by -9
14
Math Response
Solve: 24 = -6x
15
Multiplying both sides of an equal sign by the same number makes an equivalent equation.
multiply both sides by 2
multiply both sides by 2
16
Multiplying both sides of an equal sign by the same number makes an equivalent equation.
17
Dropdown
18
Math Response
Solve: 3x=18
19
Poll
Which describes how you feel about this skill?
Are you ready to do some super exciting math?
Maybe with a notebook and something to write with.
Show answer
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