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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 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 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 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 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 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 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 Back to School Math About Me | Expressions & Order of Operations | Me in Math

Back to School Math About Me | Expressions & Order of Operations | Me in Math

Created by
Variable Vault
Start the school year with a powerful math and SEL activity that helps students express their identities through numbers and expressions! This Back to School Math About Me Project— Me in Math—engages students in meaningful self-reflection while reviewing key math skills like expressions and order of operations as students create expressions that equal a number about them. Perfect for upper elementary, middle school, Algebra 1, or any math class, this flexible, no-prep resource supports comm
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 Card Sort - Factoring the GCF out of Binomials + Rewriting in Factored Form

Card Sort - Factoring the GCF out of Binomials + Rewriting in Factored Form

Created by
Variable Vault
Card Sort Activity - Factoring the GCF out of a binomial and rewriting the binomial in factored form This card sort activity contains 20 different binomials, including 2 binomials that do not have a common factor. Students find the GCF of each term and factor it out, rewriting the binomial in factored form. Students align their cards as follows: original binomial, GCF, factored form. This great hands-on activity to practice finding GCFs and factoring them out works well with partners or small gr
Preview of Snowflake Graphing - Graphing Linear Equations to Create a Snowflake

Snowflake Graphing - Graphing Linear Equations to Create a Snowflake

Created by
Variable Vault
Ring in winter with this snowflake graphing activity!In this activity, students graph a 24 line segments with a given domain (and 4 ranges) to create a snowflake. Line segments include diagonal (y=mx+b), horizontal (y=k), and vertical (x=k) lines. This activity supports students in developing an understanding of how domain is used in graphing while allowing students to practice graphing lines by creating line segments due to the domain. For students who love art, this activity can be embellished
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 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:
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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.