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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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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 Box Plots Guided Notes | Box and Whisker Plots Guided Notes

Box Plots Guided Notes | Box and Whisker Plots Guided Notes

Created by
Variable Vault
Box Plots Guided Notes with Real-World Data: Master Vocabulary, Construction, and Analysis!Transform your students' understanding of box plots with this 4-page comprehensive guided notes product! Designed to explicitly teach essential vocabulary— 5-number summary, outliers, interquartile range, spread, skew, quartiles, and percentiles—these notes offer a deep dive into the concepts behind box plots. Students will learn how to: Construct box plots step-by-step using the 5-number summary.Identify
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 Box Plot Practice Problems | Box and Whisker Plot Practice | Real-World Data

Box Plot Practice Problems | Box and Whisker Plot Practice | Real-World Data

Created by
Variable Vault
Looking for a high-quality math resource that teaches students how to analyze raw data, create box plots, and draw meaningful conclusions? This engaging, real-world set of practice problems takes students step by step through the process, using scaffolded problems and intuitive visual supports to build confidence and mastery. Why You'll Love This Resource:âś” Gradual Release Method: Clear scaffolding ensures students develop independent graphing skills, moving from guided practice to self-dir
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 Measures of Central Tendency - Mean, Median, Mode, Range - Pro Basketball Data

Measures of Central Tendency - Mean, Median, Mode, Range - Pro Basketball Data

Created by
Variable Vault
Engage your students with real-world math using basketball stats from LeBron James and Steph Curry!This interactive class activity is perfect for middle and high school math teachers aiming to teach measures of central tendency in a fun and relatable way. Students will dive into the stats of two basketball legends as they calculate the mean, median, mode, and range across four different statistical categories— points per game, rebounds, fouls, and turnovers. After each comparison, students wil
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 Fractions, Decimals, & Percents Conversion Partner Activity plus Practice

Fractions, Decimals, & Percents Conversion Partner Activity plus Practice

Created by
Variable Vault
Help your students master converting fractions, decimals, and percents with this engaging partner activity! Each problem has two versions, so partners convert separately but always land on the same answer. This makes the activity self-checking while promoting accuracy and collaboration. Designed for middle school math and aligned to CCSS and TEKS, this flexible resource can be used in multiple ways: Partner Practice – Students work with a partner to convert and check problems together.Musical Ma
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 Histograms Guided Notes | Frequency & Relative Frequency | Real World Data

Histograms Guided Notes | Frequency & Relative Frequency | Real World Data

Created by
Variable Vault
Histograms Guided Notes with Real-World Data: Master Vocabulary, Construction, and Analysis!Transform your students' understanding of histograms with this 6-page comprehensive guided notes product plus the Microsoft PowerPoint file for editing! Designed to explicitly teach essential vocabulary— continuous data, intervals/bins, frequency, frequency table, frequency histograms, and relative frequency histograms — these notes offer a deep dive into the concepts behind histograms. Students will lea
Preview of Graph Linear Equation Worksheet | Slope-Intercept Form | Self-Checking | Heart

Graph Linear Equation Worksheet | Slope-Intercept Form | Self-Checking | Heart

Created by
Variable Vault
In this self-checking activity, students graph linear equations in slope-intercept form (y = mx + b) on individual coordinate planes. If the line passes through the heart on the grid, students accurately graphed the equation. If the line does not pass through the heart on the grid, students need to find their error and try again. On this self-checking activity, students will work with: Positive and negative slopesFractional and whole number slopes Positive and negative y-interceptsGraphing fro
Preview of Solving Two-Step Inequalities Partner Activity

Solving Two-Step Inequalities Partner Activity

Created by
Variable Vault
This fun and collaborative activity is designed to help students master solving inequalities for x and identify values that make the inequality true while working with a partner. Students work in groups of 2. One student is Partner 1, the other student is Partner 2. The students solve inequalities in the same row simultaneously. (For example, partner 1 solves problem 1A while Partner 2 solves problem 1B.) When both partners have correctly solved their inequalities, their answers will match—encou
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 Solving Inequalities Worksheet - 2 & 3 step problems with self-checking feature

Solving Inequalities Worksheet - 2 & 3 step problems with self-checking feature

Created by
Variable Vault
Help your students master solving 2-step and 3-step inequalities with this engaging and self-checking resource! Perfect for building confidence and critical thinking, this resource provides a variety of practice problems, including problems that require division by a negative number—essential for fully understanding inequalities. What’s included:12 carefully crafted inequalities that require students to apply problem-solving skills across 2-step and 3-step processes.Built-in self-checking featu
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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.