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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 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 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 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 Lesson Plan & Resources - Factors, Factor Pairs, GCF, & Factoring out the GCF

Lesson Plan & Resources - Factors, Factor Pairs, GCF, & Factoring out the GCF

Created by
Variable Vault
This resource is a complete lesson, complete with a detailed lesson the includes a number of resources (detailed below) with options for differentiation, strategies to increase student voice and engagement, and connections to the Danielson Framework for Teaching and much more. Learning Targets/Objectives:Learning Target 1: I can find the factors of a number. Learning Target 2: I can find the factor pairs of a number. Learning Target 3: I can find the greatest common factor (GCF) of at least two
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 Order of Operations: Riddle Worksheet with Distributive Property - No Prep

Order of Operations: Riddle Worksheet with Distributive Property - No Prep

Created by
Variable Vault
Add a laugh while students in grades 6, 7, and 8 practice simplifying expressions using the distributive property with riddle worksheet. This self-checking worksheet turns practicing the order of operations into a fun and interactive experience. With 13 carefully crafted problems, students will simplify expressions and use their answers to decode a clever riddle. Each correct answer corresponds to a letter in the riddle's solution, ensuring that students can independently verify their work and r
Preview of Equivalent Fraction Matching Activity | Hands On | Winter Theme - Snowman

Equivalent Fraction Matching Activity | Hands On | Winter Theme - Snowman

Created by
Variable Vault
Build student skill in finding equivalent fractions using this hands-on winter snowman themed matching activity. What's included:✔️32 snowmen in total each with a fraction on their belly; 16 matching equivalent fractions Print and laminate for repeated use.How to Play:1. Give students, pairs, or groups a set of snowman cards 2. Students place the snowmen with equivalent fractions next to one another. Ideas for Use:Equivalent Fraction Snowman Matching can be used in a variety of ways to sup
Preview of Adding & Subtracting Integers Riddle Worksheet - No Prep

Adding & Subtracting Integers Riddle Worksheet - No Prep

Created by
Variable Vault
Make practicing integer addition and subtraction for students in grades 6, 7, and 8 with fun math worksheet. This self-checking task turns math practice into a playful challenge. With 17 carefully designed problems, students will add and subtract integers and use their answers to decode a witty riddle. Each correct answer corresponds to a letter in the riddle's solution, providing immiate feedback and helping students reinforce their understanding. Product Highlights:✔️ Interactive Learning: Stu
Preview of Systems of Equations Partner Activity - Substitution Elimination | Algebra I & 2

Systems of Equations Partner Activity - Substitution Elimination | Algebra I & 2

Created by
Variable Vault
Do your students need more practice solving systems of equations using substitution and elimination? This interactive Tic Tac Toe Partner Activity is designed to make practicing solving systems of equations fun! Perfect for collaborative learning, this resource includes two games with a total of 18 problems, ensuring comprehensive practice for your students. Product Highlights:✔️ Two Games Included: Engage your students with two separate Tic Tac Toe games, each featuring 9 problems, making a to
Preview of Solving One-Step Equations Activity: Individual BINGO Game

Solving One-Step Equations Activity: Individual BINGO Game

Created by
Variable Vault
Build students' skill and confidence in solving one-step equations with this individual activity: BINGO! Designed to reinforce their understanding of one-step equations and provide instantaneous feedback, this activity adds a fun twist to math practice while ensuring accuracy with self-checking features. What's Included:✅️ Problems & a BINGO Board Printable: Each printable includes 20 one-step equations and 20 spaces where students will match answers to the one-step equations provided in the f
Preview of Interactive Notebook Page - Introduction to Quadratic Functions

Interactive Notebook Page - Introduction to Quadratic Functions

Created by
Variable Vault
Interactive Notebook (INB) page - Introduction to Quadratics Use this resource as a:- Interactive Notebook page - An intervention tool for students needing additional instruction/clarification to access their learning Why choose this resource?- Explicit vocabulary instruction - Clear examples - graphs, tables, and equations - to which students can refer back - Supports students who struggle, students with IEPs, and students receiving ML/EL services - Bonus: For parents who help their children wi
Preview of Equivalent Fractions - Animal Theme

Equivalent Fractions - Animal Theme

Created by
Variable Vault
Animal Themed Equivalent Fraction Practice In this activity, students create equivalent fractions. Students have choice in the fractions they create. They show their thinking as they create each equivalent fraction. Since this is a student-choice driven activity, many correct answers exist. This worksheet could also be used as an intervention resource. Animals on this resource include a chameleon, a flamingo, a tiger, a sloth, and butterflies.
Preview of Winter Graphing & Writing Linear Equation Activity | Candy Cane Theme

Winter Graphing & Writing Linear Equation Activity | Candy Cane Theme

Created by
Variable Vault
Building student conceptual understanding and skill using this activity in which students practice writing equations that pass through a specific point - marked by a candy cane - in slope-intercept form. Many correct answers exist. This activity helps students see that a single point could have infinite lines that pass through it, all with different equations. It also supports student understanding of how to determine if a point lies on a line. This activity can be used in a number of ways - in
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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.