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
This self-checking Division Math Fluency Activity was made using Google Sheets. An Excel version is also included. There are 2 versions of the math activity, so you can differentiate as needed. ★ INCLUDED Two pages are included in this resource.Level 1: Divide 3-digit dividends by 1-digit divisors and Divide 4-digit dividends by 1-digit divisors Level 2: Divide 4-digit dividends by 1-digit divisors and Divide 4-digit dividends by 2-digit divisors *EXCEL VERSION ★ HOW IT WORKSThis math fluency
This self-checking Multi-Digit Multiplication Math Fluency Activity was made using Google Sheets. An Excel version is also included. There are 2 versions of the math activity, so you can differentiate as needed. ★ INCLUDED Two pages are included in this resource.Level 1: Multiply 1 digit x 2 digits, 1 digit x 3 digits, and 1 digit x 4 digits Level 2: Multiply 1 digit x 3 digits, 1 digit x 4 digits, and 2 digits x 2 digits *EXCEL VERSION ★ HOW IT WORKSThis math fluency activity is like a pape
Review 2nd Grade NBT Math Standards (addition & subtraction word problems, fact fluency, even & odd numbers numbers, repeated addition ) with this bundle of math tri-folds. Each booklet is designed for student success. The questions gradually increase in difficulty and are presented in a variety of formats. Each standard includes THREE trifolds. Use these engaging booklets during math intervention, assessments, homework, spiral review, test prep and more! Teacher Feedback: ⭐⭐⭐⭐⭐“These a
Review 3rd, 4th, and 5th grade math standards with these FUN Math Mazes. This mega bundle includes 80 mazes that will keep students engaged! Use during math stations, math homework, or math test prep. >> Click PREVIEW to view more details! Included in this multi-grade level bundle:⭐ 3rd Grade Math Mazes (25 mazes)Maze 1 - Multiplication (equal groups) Maze 2 - Division (equal shares) Maze 3 - Multiplication & Division (word problems) Maze 4 - Multiplication & Division (unknown number in
Math Sorts are engaging cut & paste math activities that your students will love to complete! This bundle includes 35 print & digital math activities that cover 3rd grade multiplication and division. **Purchase the bundle & save!**Each Math Sort Includes: Printable Option (labeled & unlabeled categories)Interactive Google Slides OptionAnswer KeyINCLUDED IN THIS BUNDLE: 35 Print & Digital SortsMultiplication & Division (15 sorts)Understanding Multiplication Understanding Multiplication Underst
Review 1st Grade NBT Math Standards (counting to 120, place value, comparing numbers, addition and subtraction strategies) with this bundle of math tri-folds. Each booklet is designed for student success. The questions gradually increase in difficulty and are presented in a variety of formats. Each standard includes THREE trifolds. Use these engaging booklets during math intervention, assessments, homework, spiral review, test prep and more! Teacher Feedback: ⭐⭐⭐⭐⭐“These are PERFECT for wha
Review fourth grade Multi-Digit Multiplication with this digital math activity that gives students instant feedback! Use during math centers, test prep, math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 4th grade Pixel Art bundle & save!★ Learning Goal: I can multiply a whole number of up to four digits by a one-digit whole number. I
Review fifth grade Long Division with this digital math activity that gives students instant feedback! Use during math centers, test prep, math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 5th grade Pixel Art bundle & save!★ Learning Goal: I can divide four-digit dividends by two-digit divisors. (5.NBT.6) ★ How does it work?Allow T
This self-checking Multiplication Chart Math Fluency Activity was made using Google Sheets. An Excel version is also included. There are 2 versions of the math activity, so you can differentiate as needed. ★ INCLUDED Two pages are included in this resource.Level 1: Students fill in the chart up to x 10 Level 2: Students fill in the chart up to x 12 *EXCEL VERSION ★ HOW IT WORKSThis math fluency activity is like a paperless color by code activity. Students enter their answers in the answer co
Review third grade Addition & Subtraction within 1,000 with this digital math activity that gives students instant feedback! Use during distance learning, math centers, test prep and math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 3rd grade Pixel Art bundle & save!★ How does it work?Allow TPT to add the activity to your Google Driv
Review 1st Grade Operations & Algebraic Thinking Math Standards (addition & subtraction word problems, adding 3 numbers, properties of addition, counting on & counting back, & more!) with this bundle of math tri-folds. Each booklet is designed for student success. The questions gradually increase in difficulty and are presented in a variety of formats. Each standard includes THREE trifolds. Use these engaging booklets during math intervention, assessments, homework, spiral review, test prep
Review fourth grade Shape & Number Patterns with this digital math activity that gives students instant feedback! Use during math centers, test prep, math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 4th grade Pixel Art bundle & save!★ Learning Goal: I can generate a number or shape pattern that follows a given rule. I can identify
Review fifth grade Numerical Expressions with this digital math activity that gives students instant feedback! Use during math centers, test prep, math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 5th grade Pixel Art bundle & save!★ Learning Goal: I can write simple expressions with numbers and interpret numerical expressions witho
Review 3rd grade multiplication and division with these FUN Math Mazes. Use during math stations, math homework, morning work, early finisher activities, or math test prep. > > Click PREVIEW to view more details! * Purchase the 3rd Grade Math Mazes Bundle and Save!* 7 Mazes Included:Maze 1 - Multiplication (equal groups) Maze 2 - Division (equal shares) Maze 3 - Multiplication & Division (word problems) Maze 4 - Multiplication & Division (unknown number in equation) Maze 5 - Multipl
Review fourth grade Long Division with this digital math activity that gives students instant feedback! Use during math centers, test prep, math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 4th grade Pixel Art bundle & save!★ Learning Goal: I can find whole-number quotients and remainders with up to four-digit dividends and one-digit
Review fifth grade Multi-Digit Multiplication with this digital math activity that gives students instant feedback! Use during math centers, test prep, math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 5th grade Pixel Art bundle & save!★ Learning Goal: I can fluently multiply multi-digit whole numbers. (5.NBT.5) ★ How does it work?
Review fourth grade Multi-Step Word Problems with this digital math activity that gives students instant feedback! Use during math centers, test prep, math warm ups and more. >> Keep students accountable with the optional printable recording sheet!★ What's Included?1 Google Sheet activity 1 Printable Recording sheet & answer key > Purchase the complete 4th grade Pixel Art bundle & save!★ Learning Goal: I can solve multi-step word problems. I can determine the reasonableness of answe
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
Use our 2nd grade free math booklets during guided math groups or as independent practice. If you find them helpful and would like to see the bundle, please visit this page. This free download includes THREE tri-folds all about Addition & Subtraction within 100 (2.NBT.5). WAYS TO USE: * Introduce a specific standard whole group * Use in small group to practice/reteach a specific standard * Place in an independent math workshop center * Use the 3rd tri-fold as an ASSESSMENT! More 2nd Grade Mat
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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