| Topic | Page Title | Tutorial |
| Order of Operations | Order of Operations | https://www.cliffsnotes.com/study-guides/basic-math/basic-math-and-pre-algebra/preliminaries/order-of-operations |
| Operations in the Correct Order | https://www.mathplanet.com/education/pre-algebra/introducing-algebra/operations-in-the-correct-order |
| Order of Operations | https://www.purplemath.com/modules/orderops.htm |
| Order of Operations | https://www.purplemath.com/modules/orderops2.htm |
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| What are variables? | Variables | https://www.purplemath.com/modules/variable.htm |
| Variables and Algebraic Expressions | https://www.cliffsnotes.com/study-guides/basic-math/basic-math-and-pre-algebra/variables-algebraic-expressions-and-simple-equations/variables-and-algebraic-expressions |
| Evaluate Expressions | https://www.mathplanet.com/education/pre-algebra/introducing-algebra/evaluate-expressions |
| Equations with Variables | https://www.mathplanet.com/education/pre-algebra/introducing-algebra/equations-with-variables |
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| Solving for Variables | Solving Simple Equations | https://www.mathplanet.com/education/pre-algebra/introducing-algebra/equations-with-variables |
| Solving One-Step Linear Equations: Adding & Subtracting | https://www.purplemath.com/modules/solvelin.htm |
| Solving One-Step Linear Equations: Multiplying & Dividing | https://www.purplemath.com/modules/solvelin2.htm |
| Solving Multi-Step Linear Equations | https://www.purplemath.com/modules/solvelin3.htm |
| Fundamentals in solving equations in one or more steps | https://www.mathplanet.com/education/algebra-1/how-to-solve-linear-equations/fundamentals-in-solving-equations-in-one-or-more-steps |
| Linear Equations in One Variable | https://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut14_lineareq.htm |
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| Simplifying Expressions with Exponents | Simplifying Exponent Expressions | https://www.purplemath.com/modules/simpexpo.htm |
| Simplifying Expressions with Negative Exponents | https://www.purplemath.com/modules/simpexpo2.htm |
| Properties of Exponents | https://www.mathplanet.com/education/algebra-1/exponents-and-exponential-functions/properties-of-exponents |
| Simplifying Exponents | https://www.cuemath.com/algebra/simplifying-exponents/ |
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| Exponents and Scientific Notation | Powers and Exponents | https://www.cliffsnotes.com/study-guides/basic-math/basic-math-and-pre-algebra/powers-exponents-and-roots/powers-and-exponents |
| Powers of Ten | https://www.cliffsnotes.com/study-guides/basic-math/basic-math-and-pre-algebra/powers-of-ten-and-scientific-notation/powers-of-ten |
| Scientific Notation | https://www.cliffsnotes.com/study-guides/basic-math/basic-math-and-pre-algebra/powers-of-ten-and-scientific-notation/scientific-notation |
| Scientific Notation | https://www.mathplanet.com/education/algebra-1/exponents-and-exponential-functions/scientific-notation |
| Integer Exponents | https://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut2_exp.htm |
| Scientific Notation | https://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut3_scinot.htm |
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| Understanding Units | LibreTexts: The Importance of Units | https://chem.libretexts.org/Courses/College_of_the_Canyons/Chem_151%3A_Preparatory_General_Chemistry_OER/02%3A_Units_and_Dimensional_Analysis/2.02%3A_The_Importance_of_Units |
| The Basic Units of Measurement | https://chem.libretexts.org/Courses/College_of_the_Canyons/Chem_151%3A_Preparatory_General_Chemistry_OER/02%3A_Units_and_Dimensional_Analysis/2.03%3A_The_Basic_Units_of_Measurement |
| Units of Measurement in Chemistry | https://guesthollow.com/units-of-measurement-in-chemistry/ |
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| Conversions and Dimensional Analysis | Problem Solving and Unit Conversions | https://chem.libretexts.org/Courses/College_of_the_Canyons/Chem_151%3A_Preparatory_General_Chemistry_OER/02%3A_Units_and_Dimensional_Analysis/2.05%3A_Problem_Solving_and_Unit_Conversions |
| Lumen Learning: Dimensional Analysis | https://uen.pressbooks.pub/introductorychemistry/chapter/dimensional-analysis/ |
| Solving Multi-step Conversion Problems | https://chem.libretexts.org/Courses/College_of_the_Canyons/Chem_151%3A_Preparatory_General_Chemistry_OER/02%3A_Units_and_Dimensional_Analysis/2.06%3A_Solving_Multi-step_Conversion_Problems |
| OpenStax: Atoms First: Mathematical Treatment of Measurement Results | https://openstax.org/books/chemistry-atoms-first-2e/pages/1-6-mathematical-treatment-of-measurement-results |
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