Mariela Santillana is a curriculum designer and the founder of Math Tech Connections. She is a former classroom teacher who is passionate about creating engaging, standards-aligned resources for grades 1–6.
Help your students build strong addition and subtraction skills from the earliest facts to multi-digit strategies with this growing bundle of no-prep math brochures! This set includes 60 trifold worksheets designed to support number sense, fluency, and confidence from within 5 all the way to within 1,000. Each brochure focuses on a specific skill and is perfect for independent work, small groups, homework, or a fact fluency station. INCLUDED:✔️ 12 brochures for Addition & Subtraction within
Help your students master addition and subtraction facts within 20 with these no-prep math brochures! This set includes 12 trifold worksheets designed to help students build fluency and confidence with early math facts. Each brochure focuses on a specific skill and is perfect for independent work, math centers, small groups, homework, or a fact fluency station. INCLUDED:✔️ 4 brochures for addition within 20 ✔️ 4 brochures for subtraction within 20 ✔️ 4 brochures with mixed facts (addition
These Google Forms quizzes cover all 3rd grade Operations & Algebraic Thinking standards. 27 math assessments aligned to the CCSS are included. This digital resource is editable. You can edit/add/delete questions to fit your state's standards. Standards/Topics Covered: 3.OA.1 - a total of 21 questions: I can solve multiplication problems by thinking about equal groups of objects. 3.OA.2 - a total of 21 questions: I can apply properties of operations as strategies to multiply and divide.
These Google Forms quizzes cover all 4th grade Multiplication and Division standards. 21 math assessments aligned to the CCSS are included. This digital resource is editable. You can edit/add/delete questions to fit your state's standards. Standards/Topics Covered: 4.OA.1 - a total of 36 questions: I can interpret a multiplication equation as a comparison. 4.OA.2 - a total of 24 questions: I can multiply or divide to solve word problems involving multiplicative comparisons. 4.OA.3 - a to
Help your students build fluency with addition and subtraction within 100 using these no-prep math brochures! This set includes 12 trifold worksheets that provide meaningful, scaffolded practice with mental math strategies and place value understanding. Each brochure focuses on a specific skill and is ideal for independent work, math centers, small groups, homework, or a fact fluency station. INCLUDED:✔️ 4 brochures for addition within 100 ✔️ 4 brochures for subtraction within 100 ✔️ 4 br
Help your students master addition and subtraction facts within 5, 10, and 20 with this no-prep trifold bundle! This bundle includes 36 math brochures designed to build fluency and confidence with early math facts. Each trifold focuses on a specific skill and is perfect for independent practice, math centers, small groups, homework, or a fact fluency station.INCLUDED:✔️ 12 brochures for addition and subtraction within 5 ✔️ 12 brochures for addition and subtraction within 10 ✔️ 12 brochures
Help your students master addition and subtraction within 1,000 with these no-prep math brochures! This set includes 12 trifold worksheets designed to support number sense, build fluency, and boost confidence with 3-digit numbers. Each brochure focuses on a specific strategy or task and is perfect for independent work, math centers, small groups, homework, or a fact fluency station. INCLUDED:✔️ 4 brochures for addition within 1,000 ✔️ 4 brochures for subtraction within 1,000 ✔️ 4 brochur
Build fluency with addition and subtraction within 100 and 1,000 using this no-prep trifold bundle! This resource includes 24 math brochures that support number sense, mental math strategies, and place value understanding. Each trifold focuses on a specific skill or strategy—making them perfect for independent practice, math centers, small groups, homework, or fact fluency review.INCLUDED:✔️ 12 brochures for addition and subtraction within 100 ✔️ 12 brochures for addition and subtraction with
Review 2nd Grade Word Problem skills with this set of 8 engaging, cut & paste math sorts! Students identify addition and subtraction word problems, distinguish between 1-step and 2-step situations, and connect word problems to equations for deeper understanding. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce problem-solving strategies. **Purchase the bundle & save!**Each Math So
Review 2nd Grade Multiplication and Division concepts with this set of 10 engaging, cut & paste math sorts! Students connect arrays to repeated addition, use equal groups to model multiplication, and begin to understand division as equal sharing. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce early multiplication and division skills. **Purchase the bundle & save!**Each Math Sort
Help your students master addition and subtraction facts within 10 with these no-prep math brochures! This set includes 12 trifold worksheets designed to help students build fluency and confidence with early math facts. Each brochure focuses on a specific skill and is perfect for independent work, math centers, small groups, homework, or a fact fluency station. INCLUDED:✔️ 4 brochures for addition within 10 ✔️ 4 brochures for subtraction within 10 ✔️ 4 brochures with mixed facts (addition
Review 2nd Grade Addition and Subtraction to 1,000 with this set of 12 engaging, cut & paste math sorts! Students build understanding of composing and decomposing tens and hundreds as they solve addition and subtraction problems up to 1,000. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce place value concepts. **Purchase the bundle & save!**Each Math Sort Includes: Printable Option
Review 2nd Grade Finding the Unknown skills with this set of 8 engaging, cut & paste math sorts! Students use number lines, addition, and subtraction to find missing numbers, identify unknown parts and wholes, and practice determining the value that makes an equation true. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to strengthen equation sense. **Purchase the bundle & save!**Each Math So
Review 2nd Grade Addition and Subtraction to 100 with this set of 10 engaging, cut & paste math sorts! Students practice adding and subtracting 2-digit numbers with and without regrouping, identifying operation strategies, and using number lines and partial sums to build understanding. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce place value concepts. **Purchase the bundle & sa
Review 2nd Grade Basic Facts & Strategies with this set of 10 engaging, cut & paste math sorts! Students practice addition and subtraction facts while learning to apply counting on and counting back, use mental math strategies, and find unknowns in equations. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce place value concepts. **Purchase the bundle & save!**Each Math Sort Includ
Review 2nd Grade Even and Odd Numbers with this set of 10 engaging, cut & paste math sorts! Students explore number models, equations, and groups of objects to determine whether numbers are even or odd, while analyzing patterns and sums to build a strong understanding of number relationships. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce even and odd concepts. **Purchase the bun
Help your students master addition and subtraction facts within 5 with these no-prep math brochures! This set includes 12 trifold worksheets designed to help students build fluency and confidence with early math facts. Each brochure focuses on a specific skill and is perfect for independent work, math centers, small groups, homework, or a fact fluency station. INCLUDED:✔️ 4 brochures for addition within 5 ✔️ 4 brochures for subtraction within 5 ✔️ 4 brochures with mixed facts (addition &
Review 2nd Grade True Equations with this set of 8 engaging, cut & paste math sorts! Students identify and create true addition and subtraction equations, determine values that make equations true, and strengthen understanding of the equal sign as a symbol of balance. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce equation sense. **Purchase the bundle & save!**Each Math Sort Inc
Review 2nd Grade Adding Up to 4 Addends with this set of 7 engaging, cut & paste math sorts! Students practice adding three and four 2-digit numbers, building fluency with adding to multiples of 10 and finding sums up to 200. Interactive Google Slides are also included for digital practice! Use as morning work, math warm-ups, math centers, homework, or quick assessments to reinforce place value concepts. **Purchase the bundle & save!**Each Math Sort Includes: Printable Option (labeled & un
Mariela Santillana is a curriculum designer and the founder of Math Tech Connections. She is a former classroom teacher who is passionate about creating engaging, standards-aligned resources for grades 1–6.
My own education history
Bachelor's in Elementary Education from the University of Central Florida
Additional biographical information
I was born in Mexico but have lived in the USA since I was two years old. According to my mom, I have always wanted to be teacher. I currently live in Florida with my husband, 3 kids, 3 dogs, and 1 rabbit.
We have a very blessed life :)
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