AIM: Solving One-Step
Equations
Do Now
1.) Evaluate the following:
3 -5 + 3 + (-8)
2.) Evaluate the following:
(-2 • 3 + 4)2 ÷ (- 2)
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Homework: Pages 152-153 #32-43 all
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Anticipatory Set
Solve the following equation. SHOW YOUR CHECK!
-2(x + 6) - 12x -2 = 8x - 10(x - 1)
How do you solve equations?
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Anticipatory Set
1.) How would the scale change if I add another 5
gram mass to one side?
2.) Describe how to balance the scale again?
3.) How is this similar to solving equations?
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Add or Subtract the following.
a.) -6 b.) -10 c.) -4
+ 10 -5 - (-10)
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Think-Pair-Share Activity:
Use any method to solve the following equations.
A.) x + 13 = 5 CHECK B.) x - 17 = 50 CHECK
C.) Explain, in a complete sentence, how we solved those
equations.
6
Think-Pair-Share Activity:
Use any method to solve the following equations.
A.) x + 13 = 5 CHECK B.) x - 17 = 50 CHECK
-13 -13
C.) Explain, in a complete sentence, how we solved those
equations.
7
Think-Pair-Share Activity:
Use any method to solve the following equations.
A.) x + 13 = 5 CHECK B.) x - 17 = 50 CHECK
-13 -13
x = -8
C.) Explain, in a complete sentence, how we solved those
equations.
8
Think-Pair-Share Activity:
Use any method to solve the following equations.
A.) x + 13 = 5 CHECK B.) x - 17 = 50 CHECK
-13 -13 + 17 +17
x = -8
C.) Explain, in a complete sentence, how we solved those
equations.
9
Think-Pair-Share Activity:
Use any method to solve the following equations.
A.) x + 13 = 5 CHECK B.) x - 17 = 50 CHECK
-13 -13 + 17 +17
x = -8 x = 67
C.) Explain, in a complete sentence, how we solved those
equations.
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Think-Pair-Square-Present Activity:
1.) Complete problem and check individually.
2.) Discuss with your partner until agreement.
3.) Discuss with your group until agreement.
4.) A partnership will be called at random to present the problem on the board.
A.) -5 = x + 16 CHECK
B.) -9x = -81 CHECK
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C.) y - (-8) = -10 CHECK
x
D.) = -8 CHECK
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E.) -60 = x - 17 CHECK
x
F.) 10 = CHECK
-6
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G.) x + (-129) = 50 CHECK
H.) 52 = -2x CHECK
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Write and solve equations for the following word problems.
I.) The temperature in Minnesota was -8°F one day. This was 12
degrees less than the temperature in Indiana on the same day.
What was the temperature in Indiana?
CHECK
J.) The temperature in Buffalo, New York, was -2°F one day. This
was 42 degrees warmer than the temperature in Nome, Alaska, on
the same day. What was the temperature in Nome?
CHECK
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Extra Practice
More Extra Practice
Even More Extra Practice
Past Even More Extra Practice
Way Past Even More Extra Practice
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Before You Leave
Last year you learned how to solve equations. What did you learn
today that goes past what you did last year?
What did I learn today
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Mr. Tjersland's Math 7
Homework: Homework Sheet
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