Responsive Math- Solving Two Step Equations

Responsive Math- Solving Two Step Equations

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  Small Group Lesson

  
  

  Quizizz Practice!

  
  

  Last 5 and Close Out

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Small Group Lesson

Solving Two Step Equations

Open Ended

How was this equation solved?

Model: Check with Substitution

x= 5 for 6x+13=43

Key Point

Inverse operations can be used to solve equations algebraically

Criteria for Success

• Inverse operations are used on both sides of the equations

• Solution is in the form x= #

• Solution checked with substitution

Multiple Choice

Level 3

Identify the steps to solve for b

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

Multiple Choice

Level 4

What is the first step to solve this equation?

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Multiple Choice

-5 - 6a = -59

• a= 11
• a= -6
• a= 9
• a= 2

Multiple Choice

20 = 2 - a

• a= 18
• a= -18
• a= -10
• a= 12

Multiple Choice

3 + (¹∕₄)a = 31

• a= 28
• a= 112
• a= 7
• a= 67

Multiple Choice

26 = 5a + 1

• a= 5 ⁴∕₅
• a= no solution
• a= 0
• a= 5

Multiple Choice

-3a + 8 = 14

• a= -2
• a= -7.5
• a= 2
• a= 6

Multiple Choice

6 - 3a = 21

• a= 9
• a= -9
• a= -5
• a= 5

Multiple Choice

33 = 4a - 7

• a=-10

• a=10

• a=4.5

Multiple Choice

50 = 28.1 + 0.15a

• a= 150
• a= 146
• a= 6
• a= 155

Multiple Choice

7 + ^a⁄₃ = 5

• a= -2
• a= -6
• a= 3
• a= 15

Multiple Choice

^{(a + 3)}⁄₇ = 3

• a= 18
• a= 21
• a= 4
• a= 11