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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 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 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 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 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 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 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
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 Halloween Decimal Word Problems - Addition Subtraction | Task Cards | Worksheet

Halloween Decimal Word Problems - Addition Subtraction | Task Cards | Worksheet

Created by
Variable Vault
🎃 Halloween Decimal Word Problems – Adding & Subtracting Decimals (Grades 5–7)Students will love solving funny and creative problems featuring zombies, witches, spiders, potions, and haunted houses — all while practicing addition and subtraction with decimals. With 16 total word problems, this resource helps students strengthen their decimal fluency, apply real-world reasoning, and enjoy a good Halloween laugh along the way! Skills Covered Adding and subtracting decimals to the hundredths p
Preview of Thanksgiving Fraction Word Problems | 2 Format: Task Cards & Worksheet

Thanksgiving Fraction Word Problems | 2 Format: Task Cards & Worksheet

Created by
Variable Vault
🦃 Thanksgiving Fractions: Adding & Subtracting Fractions with Unlike Denominators – Task Cards + Worksheet ComboStudents practice adding and subtracting fractions with unlike denominators through real-world Thanksgiving scenarios — pies, hot cocoa, cornucopias, family dinners, football, and fall fun. This resource includes 16 engaging word problems presented in two formats: Task Cards – Perfect for centers, partner work, or small group work. Worksheet Version – Great for independent practice,
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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.