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.
Review 2nd Grade NBT Math Standards (addition, subtraction, skip counting, place value ) 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 what my admin is looking for!! I love
Review 5th Grade NBT Math Standards (Place Value, Powers of 10, Read/Write/Compare Decimals, Rounding Decimals, Multiplying Multi-Digit Numbers, Dividing Multi-Digit Numbers, Add/Subtract/Multiply/Divide Decimals) with this bundle of 27 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, h
Review 3rd Grade NBT Math Standards (rounding numbers, addition & subtraction, multiplying multiples of 10) 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 what my admin is
These Rounding math games will save you time and help students stay focused and organized during math centers. Digital versions of each math game Learning Goal: I can use what I know about place value to round numbers to the nearest 10 or 100. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards)Activity #2: Matching Cards (18 matching sets)Activity #3: Math Sort (18 cards)Digital Centers:Activity #1: Clip Cards in Google For
Practice Long Division – 5th Grade Interactive Google SlidesWhile working through these engaging slides, students will: ✔️ Divide four-digit numbers by two-digit divisors using place value strategies✔️ Use area models, partial quotients, and standard algorithm ✔️ Solve real-world word problems involving long division Includes 20 interactive slides aligned to 5.NBT.6 — perfect for centers, review, or test prep. ★ What's Included?★ - Links to download the Google Slides™ - Practice 1 - 10 slide
These Decimals math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goal: I can read, write, and compare decimals to thousandths. ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards - 3 pages)Activity #2: Matching Cards (18 matching sets - 6 pages)Activity #3: Math Sort (18 cards - 3 pages)Digital Centers:Activity #1: Clip Cards in Google Forms (18 questions)Activity #2: Matching Cards in
This self-checking Rounding 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: Round Numbers to the nearest 10 and 100 Level 2: Rounding Numbers to the nearest 10, 100, and 1,000 *EXCEL VERSION ★ HOW IT WORKSThis math fluency activity is like a paperless color by code activity. Students enter their answers in the answer
Practice Reading, Writing & Comparing Decimals – 5th Grade Interactive Google SlidesWhile working through these engaging slides, students will: ✔️ Read, write, and compare decimals to the thousandths place✔️ Write decimals in standard, word, and expanded form ✔️ Compare decimals using > , < , and = Includes 22 interactive slides aligned to 5.NBT.3 — perfect for centers, review, or test prep. ★ What's Included?★ - Links to download the Google Slides™ - Practice 1 - 11 slides- Practice
Review 4th Grade Place Value with our interactive Google Slides!While working through these interactive math slides, students will: ✔️ Explore how the value of a digit changes when it moves one place to the left or right ✔️ Multiply and divide whole numbers by multiples of 10 using place value understanding ✔️ Use place value charts and moveable number tiles to visualize number relationships With 24 slides of scaffolded practice, these activities are perfect for centers, digital review, or test
Practice Multi-Digit Multiplication – 5th Grade Interactive Google SlidesWhile working through these engaging slides, students will: ✔️ Fluently multiply multi-digit whole numbers using standard algorithms✔️ Solve 2-digit by 2-digit and 3-digit by 1-digit multiplication problems ✔️ Apply multiplication to real-world word problems Includes 20 interactive slides aligned to 5.NBT.5 — perfect for centers, review, or test prep. ★ What's Included?★ - Links to download the Google Slides™ - Practice
Review 4th Grade Multiplication Using Area Models (4.NBT.5)While working through these hands-on math slides, students will:✔️ Solving multi-digit multiplication problems using area models ✔️ Breaking apart numbers using expanded form to support understanding ✔️ Organizing and solving problems using labeled grids and partial products With 20 slides of scaffolded practice, this resource is perfect for digital centers, whole group review, or test prep — all aligned to 4.NBT.5. ★ What's Included?★
Review 4th Grade Addition & Subtraction with our interactive Google Slides!While working through these engaging math slides, students will: ✔️ Using place value understanding to add and subtract multi-digit numbers ✔️ Practicing regrouping ✔️ Typing and solving equations with built-in answer boxes With 21 slides of focused practice, this resource is perfect for math centers, spiral review, or test prep — all aligned to 4.NBT.4. ★ What's Included?★ - Links to download the Google Slides™ - Pr
These Place Value math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goal: I can recognize that a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left. ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards - 3 pages)Activity #2: Matching Cards (18 matching sets - 6 pages)Activity #3: Math Sort (18
Review 3rd Grade Rounding with our interactive Google Slides!While working through these interactive place value slides, students will practice: ✔️ Rounding whole numbers to the nearest 10 and 100 ✔️ Using number lines to visualize and explain rounding ✔️ Identifying which multiples of 10 or 100 a number falls between ✔️ Applying place value understanding to reason about rounding With 26 slides of scaffolded practice, these activities are perfect for small groups, test prep, or independent digi
These Number Forms math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goal: I can read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. I can compare two multi-digit numbers using symbols (>, <, or =) to show the comparison. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards - 3 pages)A
Review 5th Grade Place Value with our interactive Google Slides!While working through these interactive math slides, students will practice: ✔️ Identifying the relationship between digits in different place value positions ✔️ Comparing the value of digits based on their position ✔️ Recognizing that a digit in one place represents 10 times as much as it represents in the place to its right ✔️ Understanding that a digit in one place represents 1/10 of what it represents in the place to its left Wi
These PLACE VALUE review math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goals: I can read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. I can compare two multi-digit numbers using symbols (>, <, or =) to show the comparison. >> Click PREVIEW to view all 3 activities plus the recording sheet, answer key, and math support page. ★ What's Included
Practice Adding & Subtracting Decimals – 5th Grade Interactive Google SlidesWhile working through these engaging slides, students will: ✔️ Add and subtract decimals to the hundredths using place value strategies✔️ Line up decimals and use models to support reasoning ✔️ Solve multi-step word problems involving addition and subtraction Includes 20 interactive slides aligned to 5.NBT.7 — perfect for centers, review, or test prep. ★ What's Included?★ - Links to download the Google Slides™ - Prac
Review 4th Grade Rounding with our interactive Google Slides!While working through these place value slides, students will: ✔️ Round numbers to the nearest 10, 100, 1,000, 10,000, and 100,000 ✔️ Use interactive number lines to visualize and justify their rounding decisions ✔️ Complete tables by identifying possible original numbers based on rounded values ✔️ Sort and categorize numbers based on how they round to different place values With 30 slides of scaffolded practice, this resource is perf
These Rounding math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goal: I can use what I know about place value to round multi-digit whole numbers to any place. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards - 3 pages)Activity #2: Matching Cards (18 matching sets - 6 pages)Activity #3: Math Sort (18 cards - 3 pages)Digital Centers:Ac
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 :)
TPT is the largest marketplace for PreK-12 resources, powered by a community of educators.