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Variable Vault

Rated 4.85 out of 5, based on 13 reviews
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Seattle, Washington, United States
About the store
Welcome to Variable Vault! I create engaging, student-centered math resources that help learners find joy and purpose in every problem. With a focus on inquiry-based tasks, real-world connections, building classroom community, and ongoing formative assessments, these resources are designed to help students explore math deeply — and enjoy the journey. Perfect for middle and high school math classrooms!
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All resources

Preview of Quadratic Modeling Word Problem & Graph Task | Revenue & Profit | Algebra I & II

Quadratic Modeling Word Problem & Graph Task | Revenue & Profit | Algebra I & II

Created by
Variable Vault
This 37-page differentiated multi-day quadratic modeling lab engages students in building a quadratic function from the product of two linear relationships. Students model revenue (and profit at advanced levels), determine maximum values, interpret intercepts, and evaluate reasonableness within context. Rather than simply solving a quadratic, students construct — developing deep structural understanding of why multiplying two linear functions produces a quadratic model. 3 Differentiated Levels
Preview of Simplifying Radicals (Square Roots only) Worksheet | Algebra I and Algebra 2

Simplifying Radicals (Square Roots only) Worksheet | Algebra I and Algebra 2

Created by
Variable Vault
This worksheet is designed to help students master the process of simplifying radicals while solving a fun riddle. Each problem students solve reveals a piece of the riddle's answer, making learning interactive and enjoyable! **What's Included:** 1. **Comprehensive Worksheet** - A variety of problems to simplify radicals, ranging from basic to more challenging examples. 2. **Riddle Integration** - Each correct answer corresponds to a clue that students will use to solve a fun riddle. 3. **Self-C
Preview of Quadratics Practice Activity | Key Features | Attributes | Graphs & Tables

Quadratics Practice Activity | Key Features | Attributes | Graphs & Tables

Created by
Variable Vault
Whether you're introducing, reinforcing, or reviewing quadratic functions in their 3 forms, their key features and attributes, and their graphs, this activity supports deep understanding of all three quadratic equation representations: standard form, vertex form, and factored form. With built-in differentiation and flexible formats, this resource is perfect for whole-class instruction, centers, intervention, or enrichment. 12 equations allow for a mix and match approach: use as classwork, gui
Preview of Quadratic Vertex Form by Completing the Square | Guided Notes | Practice | Quiz

Quadratic Vertex Form by Completing the Square | Guided Notes | Practice | Quiz

Created by
Variable Vault
Students learn to convert quadratic equations from standard form to vertex form by completing the square when a=1 and when a≠1 with this comprehensive, student-friendly resource that includes: Guided notes including 4 problemsPractice problems (12 problems in total)Challenge problems (4 problems in total), and A check for understanding or quiz.The completing the square process is broken into clear, manageable steps with visual spacing and intentional structure to reduce common errors and suppor
Preview of Polynomials, Degrees, & Finite Differences | Guided Notes, Practice, & Quiz

Polynomials, Degrees, & Finite Differences | Guided Notes, Practice, & Quiz

Created by
Variable Vault
Students learn how to identify polynomial expressions, including what is and isn't a polynomial, learn vocabulary tied to polynomials, and determine the degree of a function from a table of values using the finite differences method. This lesson builds a critical foundation for quadratic functions and higher degree polynomials by connecting polynomial structure to patterns in tables. Students work through guided notes to define polynomials, identify degree and leading coefficient, and classify e
Preview of Christmas Tree Graphing Linear Equations Activity | Domain | Multiple Versions

Christmas Tree Graphing Linear Equations Activity | Domain | Multiple Versions

Created by
Variable Vault
🎄 Bring festive fun and meaningful rigor to your Algebra classroom with this Christmas Graphing Activity, where students create a Christmas tree using equations and restricted domains. Students graph a Christmas tree using linear equations with restricted domains, carefully connecting multiple line segments to form a complete image. With four differentiated versions included, this activity is perfect for meeting the needs of diverse learners and for use across Algebra I and Algebra II courses.
Preview of Quadratic Key Features | Vertex, Roots, y-intercept | 2 Activities | Task Cards

Quadratic Key Features | Vertex, Roots, y-intercept | 2 Activities | Task Cards

Created by
Variable Vault
In this two-activity task card resource designed to deepen conceptual understanding of quadratics as well as skills, students identify key features of quadratic functions when given equations in standard, factored, and vertex forms (activity 1) and write quadratic equations when given the y-intercept, roots (x-intercept or zeros) and a value for a (activity 2). This set includes two complementary activities that move students from analyzing quadratic equations to creating them, strengthening co
Preview of Guided Notes: Law of Sines | Practice Problems | Ambiguous Case| Video Support

Guided Notes: Law of Sines | Practice Problems | Ambiguous Case| Video Support

Created by
Variable Vault
Engage your students with these Law of Sines guided notes featuring a warm-up review, step-by-step explanation, 7 practice problems, and a full video walkthrough—including all three ambiguous case scenarios (two, one, or no triangle). This resource walks learners step-by-step through the concept, starting with a warm-up that reviews key prerequisite skills: Right Triangle Trig (SOHCAHTOA)Identifying ASA, AAS, and SSA in triangles From there, students are guided into what the Law of Sines is,
Preview of Guided Notes: Right Triangle Trig, Unit Circle, and Graphs of Sin, Cos, and Tan

Guided Notes: Right Triangle Trig, Unit Circle, and Graphs of Sin, Cos, and Tan

Created by
Variable Vault
These comprehensive guided notes bridge the gap between right triangle trigonometry and the unit circle, and extend to the graphs of sine, cosine, and tangent. Designed to cater to diverse learning styles, this resource provides multiple options for use and incorporates several unit circles to facilitate deep understanding. Perfect for high school mathematics teachers, these guided notes will elevate your trigonometry lessons and help your students excel. What’s Included:✅️ Right Triangle Trigo
Preview of Linear Equations, Slope, Intercepts, Parallel, Perpendicular | Print & Digital

Linear Equations, Slope, Intercepts, Parallel, Perpendicular | Print & Digital

Created by
Variable Vault
Linear Functions Mystery State Activity | Print & Digital | Self-CheckingEngage your students in a fun, interactive way to master linear functions with this self-checking mystery state activity! Designed for both print and digital use, this resource allows students to apply key algebraic concepts while unlocking clues to identify a mystery state. Students solidify their math skills while learning cool things about a state. It's a geography - math connection! Skills Covered in the 19 problems:
Preview of Simplifying Radicals Worksheet | Add, Subtract, Multiply, Divide | Algebra 1 & 2

Simplifying Radicals Worksheet | Add, Subtract, Multiply, Divide | Algebra 1 & 2

Created by
Variable Vault
Engage your students with this one-of-a-kind worksheet that combines math practice with historical intrigue! This no prep resource challenges students to master simplification of radicals (adding, subtracting, multiplying, and dividing) while diving into the lives of famous mathematicians. What’s Included:Rigorous Radical Practice: 18 problems - broken into Rounds 1 and 2 on separate sheets - designed to reinforce key skills in simplifying radicals with a varied difficulty. Round 2 has more diff
Preview of Solve Systems of Equations by Graphing (Multiple Themes) with video supports

Solve Systems of Equations by Graphing (Multiple Themes) with video supports

Created by
Variable Vault
Students solve systems of linear equations and find points of intersections by graphing with this individual practice sheet. Engage your students with these unique, self-checking practice sheets designed to make solving systems of linear equations fun and self-checking. This comprehensive resource features three captivating themes: Coffee Cups, Hearts, and Footballs, catering to diverse interests and keeping students motivated. What's Included:✅️ 3 Themed Practice Worksheets - (all problems are
Preview of Rationalizing the Denominator Worksheet | Algebra I & Algebra 2 | Square Roots

Rationalizing the Denominator Worksheet | Algebra I & Algebra 2 | Square Roots

Created by
Variable Vault
Make math practice engaging with this fun worksheet on rationalizing the denominator!This no prep worksheet focuses on rationalizing denominators with both monomial and binomial expressions, offering a variety of problems to strengthen student skills. Designed for independent practice, this resource encourages students to master an essential algebra concept while having fun solving a funny riddle. The riddle provides a lighthearted challenge that keeps students motivated as they work through the
Preview of Linear Equations Activity | Slope, y-Intercept, Parallel & Perpendicular Lines

Linear Equations Activity | Slope, y-Intercept, Parallel & Perpendicular Lines

Created by
Variable Vault
Bring engagement and critical thinking to your linear functions unit with this Would You Rather: Linear Functions activity! Perfect for Algebra 1 or Algebra review, this versatile resource gives students the power of choice while practicing key concepts related to graphing and writing linear equations. Each problem invites students to choose between two options (A or B), encouraging autonomy, differentiation, and collaborative discussion. Designed for both partner and individual use, this acti
Preview of Interactive Notebook Page: Factors, Pairs, GCF, & Factoring out the GCF

Interactive Notebook Page: Factors, Pairs, GCF, & Factoring out the GCF

Created by
Variable Vault
Interactive Notebook (INB) page - Factors, Factor Pairs, Greatest Common Factor (GCF), Factoring out the GCF Use this resource as a:- Interactive Notebook page - An intervention tool for students needing additional instruction/clarification to access their learning - An introduction to quadratics (kick off to factored form) Why choose this resource?- Explicit vocabulary instruction - Clear examples to which students can refer back - Explicitly stated learning targets focus students on the purpos
Preview of Graphic Organizer/Guided Notes: Factors, Pairs, GCF, & Factoring out the GCF

Graphic Organizer/Guided Notes: Factors, Pairs, GCF, & Factoring out the GCF

Created by
Variable Vault
Graphic Organizer/Guided Notes - Factors, Factor Pairs, Greatest Common Factor (GCF), Factoring out the GCF Use this resource as a:- Guided Notes/Graphic Organizer - An intervention tool for students needing additional instruction/clarification to access their learning - An introduction to quadratics (kick off to factored form) Why choose this resource?- Explicit vocabulary instruction - Clear examples to which students can refer back - Explicitly stated learning targets focus students on the pu
Preview of MAZE Quadratics Key Features - Roots, Zeroes, Intercepts, Vertex, End Behaviors

MAZE Quadratics Key Features - Roots, Zeroes, Intercepts, Vertex, End Behaviors

Created by
Variable Vault
✏️This self-checking maze activity challenges students to apply their understanding of quadratic equations from multiple representations—factored form, vertex form, standard (general) forms and interpret graphs! Perfect for Algebra 1 and Algebra 2 students, this activity covers essential concepts in a fun, no-prep format. Students will strengthen their understanding and their skills as they navigate the maze, with each correct answer leading them one step closer to the finish. This maze is a g
Preview of Winter Graphing Linear Equations in Slope-Intercept Form (Mittens Theme)

Winter Graphing Linear Equations in Slope-Intercept Form (Mittens Theme)

Created by
Variable Vault
Students practice graphing a variety of linear equations written in slope-intercept form and receive feedback quickly -- if their line doesn't pass through the winter mitten set, it's incorrect. Equations include positive and negative slopes, a slope of 0, and an undefined slope. Use this resource as a:- A set of practice problems for all students - An intervention worksheet (reteach and practice) - A test or quiz review - An activity for short class periods (i.e. late start due to snow) or befo
Preview of Adding and Subtracting Radicals Worksheet |Riddle | Algebra I and Algebra 2

Adding and Subtracting Radicals Worksheet |Riddle | Algebra I and Algebra 2

Created by
Variable Vault
Make learning about adding and subtracting radicals both engaging and effective with this fun, riddle-solving activity! Designed to help students master the concept of simplifying radical expressions, this resource combines practice with self-assessment to ensure understanding and retention. What’s included:A series of problems where students practice adding and subtracting radicals.An interactive riddle for students to solve as they progress, adding an element of fun and motivation.Built-in se
Preview of Solving Systems of Equations Group Activity or Game

Solving Systems of Equations Group Activity or Game

Created by
Variable Vault
This activity or game is designed to be completed in groups. This activity includes:- 18 systems of equations problems from easy to challenging (see details below) - Answer Key - Slides to project that explain how to play and Tasks 1 - 6 that students will be using - Cards that could be printed for each group (double sided) that explain how to play and the 6 task options. Preparation & Materials Needed:-- Each group needs 1 dice or a number generator for digits 1 - 6 -- Systems of Equations car
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About the store

Experience

Welcome to Variable Vault! I create engaging, student-centered math resources that help learners find joy and purpose in every problem. With a focus on inquiry-based tasks, real-world connections, building classroom community, and ongoing formative assessments, these resources are designed to help students explore math deeply — and enjoy the journey. Perfect for middle and high school math classrooms!

Teaching style

I am passionate about helping students find joy and success in math. In my classroom, students talk about math with their peers and learn by doing. I love an activity-based classroom where students are engaging in math in a variety of ways, grappling with problems and showing up as leaders. Every student has a strength to offer in the math classroom; they just need to opportunity to show it.