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Solve Equations and Inequalities (Grade 6)




 


Videos and lessons to help Grade 6 students understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true.

Common Core: 6.EE.5

Suggested Learning Targets


  • I can understand that solving an equation or inequality is like answering a question.
  • I can use substitution to determine whether a given number in a specified set makes an equation true.
  • I can use substitution to determine whether a given number in a specified set makes an inequality true.
  • I can recognize solving an equation or inequality as a process of answering "which values from a specified set, if any, make the equation or inequality true?".
  • I can use the solution to an equation or inequality to prove that the answer is correct.
  • I can use substitution to determine whether a given number in a specified set makes an equation or inequality true.


Related Topics:
Common Core for Grade 6

More Lessons for Grade 6


Solving equations and inequalities through substitution example 1.


Solving equations and inequalities through substitution example 2.





Solving equations and inequalities through substitution example 3.


Solving equations and inequalities through substitution example 4.



 

Activities:

1) Given the expression 72 = 6(n + 5)
What is the value of n? Use what you know about equations to explain why your answer is correct.

2) Given n = 459 ÷ 9
What is the value of n? Is the value of f in the equation 4 × f = 252 greater or less than the value of n? Use what you know about algebra to explain why your answer is correct.

3) Tell if you agree or disagree with the value of the variable for each equation.
a) 56y = 8. y = 7
Explain why you agree or disagree.

b) 83 = 2 × f. f = 41
Explain why you agree or disagree.




Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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