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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 Add, Subtract, Multiply, & Divide Fractions Game | Activity | 5th 6th 7th Grade

Add, Subtract, Multiply, & Divide Fractions Game | Activity | 5th 6th 7th Grade

Created by
Variable Vault
Engage students in grades 5 - 8 with this small group fraction operations activity and game. Students practice all 4 fraction operations - addition, subtraction, multiplication, and division - with "Fractionopoly", a fun twist on the classic Monopoly game. This math activity/game turns practicing fractions into a fun experience. What’s Included:✏️ 2 Fractionopoly game boards (printable PDF) at different levels Board A: Simpler fractions, some common denominators, no mixed or improper fractionsB
Preview of Radical Expressions Bundle | Card Sort & Stations | Algebra 1 & 2 Activities

Radical Expressions Bundle | Card Sort & Stations | Algebra 1 & 2 Activities

Created by
Variable Vault
Increase student confidence and understanding of radical expressions with this bundle of thinking-focused and skill-building activities that can be used in a variety of ways. This resource combines a differentiated card sort and a 14-station activity to support students in simplifying radicals, performing operations, and rationalizing denominators. These activities go beyond procedural practice and encourage students to analyze, compare, and justify their thinking. What’s Included This bundle
Preview of Percent Activity Math Game | Percent of a Number, Tax & Discount | 6th 7th Grade

Percent Activity Math Game | Percent of a Number, Tax & Discount | 6th 7th Grade

Created by
Variable Vault
Percentopoly is a print-and-go percent activity that gets 6th and 7th grade students fluent with every major percent skill through a Monopoly-style game board. Two game modes let you scale the challenge: Roll & Calculate for straightforward practice, and Claim the Board for a more strategic, gamified experience where students spend points to claim spaces and earn bonus points when others land on them. Students stay engaged because every roll is a real math problem — and because they're playing,
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 Fractions Partner Activities Bundle | Add, Subtract, Multiply, Divide & Compare

Fractions Partner Activities Bundle | Add, Subtract, Multiply, Divide & Compare

Created by
Variable Vault
Fractions are one of the toughest topics to teach—and even harder for students to truly understand. Students often learn how to add, subtract, multiply, and divide fractions, but still struggle to: Tell which fraction is larger Catch their own mistakes Explain why their answer makes sense This Fractions Partner Activity Bundle - a set of differentiated partner activities - solves that problem. By combining fraction operations with comparison, students are pushed beyond procedures into reaso
Preview of Decimal Operations Practice Game 5th 6th Grade |Math Center Activity| Test Prep

Decimal Operations Practice Game 5th 6th Grade |Math Center Activity| Test Prep

Created by
Variable Vault
Tired of decimal practice that turns into disengaged worksheet time? Students need repetition to build fluency—but traditional practice often leads to low engagement, incomplete work, and lingering gaps in understanding. Decimalopoly solves this by turning decimal operations into a structured, game-based experience where every student is actively calculating, discussing, and tracking their progress. Why This WorksThis isn’t just a game—it’s purposeful practice with accountability built in.✔ Eve
Preview of Fraction Word Problem Sets | All Operations, Mixed Practice | 4th 5th 6th Grade

Fraction Word Problem Sets | All Operations, Mixed Practice | 4th 5th 6th Grade

Created by
Variable Vault
Struggling to find fraction word problems that go beyond basic computation and actually build student understanding? This resource gives students the opportunity to apply fraction operations in real-world contexts, build conceptual understanding, and develop confidence with multi-step problem solving. Perfect for grades 4–6, this comprehensive set (76 total word problems) includes targeted practice for all four operations along with mixed and higher-order tasks. What’s Included ✔ Addition word p
Preview of Radicals Stations Activity | Simplifying, Operations, & Rationalizing | Algebra

Radicals Stations Activity | Simplifying, Operations, & Rationalizing | Algebra

Created by
Variable Vault
Help students build a deeper understanding of radical expressions with this engaging 14-station activity. Students practice simplifying radicals, performing operations with radicals, and rationalizing denominators while developing conceptual understanding through a variety of tasks. About This Activity Students rotate through 14 math stations (68 total expressions), each focused on a specific skill related to radical expressions. Each station includes a clearly stated learning objective, helpi
Preview of Simplifying Radicals Card Sort Activity | Algebra 1 & Algebra 2 Square Roots

Simplifying Radicals Card Sort Activity | Algebra 1 & Algebra 2 Square Roots

Created by
Variable Vault
Help students develop a deeper understanding of equivalent radical expressions with this differentiated Simplifying Radicals Card Sort Activity. Students analyze and match multiple representations of square roots while exploring how radical expressions can represent the same value. This activity moves beyond procedural practice and encourages students to identify patterns, simplify radicals, and justify their reasoning. About This ActivityStudents work with cards containing different radical exp
Preview of Distributive Property of Multiplication Activity | Area Model | Differentiated

Distributive Property of Multiplication Activity | Area Model | Differentiated

Created by
Variable Vault
Distributive Property of Multiplication Differentiated Partner Activity Students work in pairs in this engaging, skill-building distributive property activity. Each partner receives a different multiplication expression for the same problem—both yielding the same product when solved correctly. After completing their calculations, partners compare answers: if their products match, they move on; if not, they collaborate to find and fix the error. This structure encourages mathematical reasoning, 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 Introduction to Quadratic Functions | Activity | Compares Linear Functions

Introduction to Quadratic Functions | Activity | Compares Linear Functions

Created by
Variable Vault
This inquiry-based lesson helps Algebra 1 or 2 students discover the defining characteristics of quadratic functions by observing, comparing, and reasoning—before formal definitions or procedures are introduced. In this constructivist introduction, students analyze multiple quadratic graphs drawn on the same coordinate scale and use a structured graphic organizer to identify patterns related to function behavior, intercepts, shape, and key features. Students also build understanding through comp
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:✔ 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 Differentiated Multiplication & Division of Fractions Partner Activity

Differentiated Multiplication & Division of Fractions Partner Activity

Created by
Variable Vault
Fraction Face-Off: Multiplication and Division is a ready-to-use classroom resource designed for grades 5–7 that builds student confidence, fluency, and reasoning with fractions. Students work in pairs on matching-number problems, simplifying them simultaneously. Partners then compare their answers to determine which fraction is larger. This interactive format strengthens fraction skills, encourages peer collaboration, and supports meaningful math talk. What’s Included: ✅ 3 differentiated partne
Preview of Percent Word Problems | Task Cards | Worksheet | Real World Problems

Percent Word Problems | Task Cards | Worksheet | Real World Problems

Created by
Variable Vault
Percentages Word Problem Task Cards or Worksheet (both formats included) – Real-World Math for Grades 6-8Help students master percentages through real-world problems! This engaging set of 16 task cards blends everyday scenarios with high-interest topics like shopping, sports, school life, animals, and social media to make math meaningful and fun. Students will apply key percent skills to solve authentic problems—perfect for small group work, partner work, centers, homework, early finishers, or r
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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.