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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 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 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 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:✔ 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
Preview of Halloween Fraction Word Problems - Addition Subtraction | Task Cards | Worksheet

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

Created by
Variable Vault
🎃 Halloween Fraction Word Problems – Adding & Subtracting Fractions (Grades 5–7)Make fractions frightfully fun this October! This Halloween-themed set of task cards and worksheet is packed with 16 silly and spooky word problems that give students meaningful practice with adding and subtracting fractions — no tricks, just treats! Your students will laugh while solving problems featuring witches, vampires, werewolves, zombies, and haunted bakeries, all while mastering essential fraction skills.
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 Halloween Percent Word Problems | Task Cards | Worksheet | Halloween Themed

Halloween Percent Word Problems | Task Cards | Worksheet | Halloween Themed

Created by
Variable Vault
🎃 Halloween-Themed Percentages Word Problem Task Cards or Worksheet (both formats included) – Spooky Math for Grades 6-8 Help students master percentages with Halloween-themed word problems! This engaging set of 16 task cards is composed of fun Halloween inspired percentage word problems. Students will apply key percent skills to solve authentic problems—perfect for small group work, partner work, centers, homework, early finishers, or review before assessments. These Halloween-inspired problem
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 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,
Preview of Halloween Fraction, Decimal, & Percent Word Problems - Task Cards and Worksheet

Halloween Fraction, Decimal, & Percent Word Problems - Task Cards and Worksheet

Created by
Variable Vault
🎃 Halloween Mixed Practice Word Problems – Fractions, Decimals, and Percents (Grades 5–7)This resource includes both a printable worksheet and a task card version—perfect for centers, partner work, or independent practice. Each problem features a Halloween-themed word problems that middle schoolers will love, from witches brewing potions to zombies running fun races. ✨ Skills Covered Adding and subtracting fractions (unlike denominators) Adding and subtracting decimals Solving percent p
Preview of Differentiated Fraction Addition, Subtraction, and Comparison Partner Activity

Differentiated Fraction Addition, Subtraction, and Comparison Partner Activity

Created by
Variable Vault
This differentiated partner activity helps students in grades 4–7 build confidence adding, subtracting, and comparing fractions—including like and unlike denominators, mixed numbers, and improper fractions. This resource includes three leveled sets: Explorer (below grade level) – like denominators, simple fractionsChallenger (at grade level) – unlike denominators, mixed numbers Conqueror (above grade level) – multi-step challenging problems, unlike denominators, mixed numbers, many 3-term pro
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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.