From Arithmetic to Algebra: Variables, Word Problems, Fractions and the Rules

CONTENTS OF CURRICULUM UNIT 17.05.08

  1. Unit Guide
  1. Content Objectives
  2. Teaching Strategies
  3. Classroom Activities
  4. Resources
  5. Appendix A
  6. Appendix B
  7. Appendix C
  8. Endnotes

Formulating Algebraic Equations from Word Problems

Rachelle Soronten Reich

Published September 2017

Tools for this Unit:

Appendix A

The CCSS Standards I am addressing in this unit are:

7th Grade Standards

  • MA.7.EE.B.A: Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities.
  • MA.7.7.EE.B.4.A: Solve word problems leading to equations of the form px+q=r and p (x + q)=r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach.

6th Grade Standards

  • MA.6.EE.B.6: Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number.
  • MA.6.EE.B.7: Solve real-world and mathematical problems by writing and solving equations in the form x + p = q and px = q.

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