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Solve Systems by Any Method, Choose and Explain

Written by Adi Ackerman, Head Teacher

"Solve Systems by Any Method, Choose and Explain" is written for 8th Grade (Ages 13-14), and it covers Common Core 8.EE.C.8.B. A 7th grader who is already steady on systems of equations can use it too, and an older student can use it as a short review.

Popular with 8th Grade teachers · Downloaded 433 times
Solve Systems by Any Method, Choose and Explain - Page 1
Solve Systems by Any Method, Choose and Explain - Page 2

2 pages in this set


8th grade math worksheet: pick substitution, elimination or graphing for eight systems, say why, then solve and write each pair. Answer key included. Part of our solve systems by substitution collection. Aligned to Common Core standards.

How do I use this worksheet?

Work through the three drill sheets in order. Use Solve Systems by Any Method, Choose and Explain once elimination is also taught, and the maze as review.

What students will practice

  • Students will choose a method for each system and give a short reason.
  • Students will solve eight systems by substitution, elimination or graphing.
  • Students will write each solution as an ordered pair.


Curriculum Links

Common Core State Standards

Expressions and Equations · 8th Grade

8.EE.C.8.B

Standard: Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection.

View all 8.EE.C.8.B worksheets →

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FAQ

How do I use this solve systems by substitution worksheet?

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Work through the three drill sheets in order. Use Solve Systems by Any Method, Choose and Explain once elimination is also taught, and the maze as review.

What does this worksheet teach?

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Pick substitution, elimination or graphing for eight systems, say why, then solve and write each pair. The directions on the page read: Choose a method and say why in a few words. Then solve and write the pair. An answer key is included.

Can I use this solve systems by substitution worksheet for homeschool or classroom?

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Yes, both. We made it for 8th grade systems of equations, and it works the same at home or at school. At home, a student can work through it alone and then go over it with you, which shows quickly what is solid and what needs another look. In class it works as independent practice, homework or a warm-up, and you can print one copy or a full set.

What are the steps for solving a system by substitution?

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Get x or y alone in one equation. Substitute that expression into the other equation and solve it. Then put the value back in to find the other variable and write the pair.

What is the most common mistake in substitution?

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Forgetting to distribute a negative sign when the expression goes into parentheses. Substitution With Distributing Negatives gives eight systems built to practice this step.

How does the substitution maze work?

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Students start at cell 1, solve the system there and follow the arrow next to their answer. A wrong answer leads off the path, so the maze checks the work as students go.

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Worksheet Details

Grade8th Grade
SubjectMath
TopicSystems of Equations
Standard8.EE.C.8.B
Pages2 pages
DifficultyMedium

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