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 5th Grade Decimal Place Value with this FUN dodecahedron project! This math craft is perfect to complete as a fun end of unit assessment, fun review project, or end of the year activity. ⭐Purchase the growing bundle & SAVE!Included in this math activity packet: - 6 pages (2 circles per page) - recording sheet - answer key Students will having fun while reviewing math skills. You will love the recording sheet that makes grading this project a simple task! Be sure to leave feedback! You
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
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
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 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
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 Comparing Decimals with our interactive Google Slides!While working through these interactive decimal slides, students will practice: ✔️ Comparing decimals using > , < , or = based on place value and models ✔️ Plotting decimals on number lines to support comparisons ✔️ Using moveable number cards to build true decimal comparisons ✔️ Choosing the correct comparison statement in word problems and real-world scenarios With 20 slides of engaging practice, you'll have plenty
These Multiply 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 multiply decimals to the hundredths place. I can explain using concrete models or drawings. ★ 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 Googl
Math Sorts are engaging cut & paste math activities that your students will love to complete! This bundle includes 62 print & digital math activities that cover 4th grade equivalent fractions, comparing fractions, adding & subtracting fractions, multiplying fractions & more! *GRAB THE COMPLETE BUNDLE HERE*Each Math Sort Includes: Printable Option (labeled & unlabeled categories)Interactive Google Slides OptionAnswer KeyINCLUDED IN THIS BUNDLE: 62 Print & Digital SortsEquivalent Fraction
Practice Rounding Decimals – 5th Grade Interactive Google SlidesWhile working through these engaging slides, students will: ✔️ Use place value understanding to round decimals to any place✔️ Round decimals to the nearest whole number, tenth, and hundredth ✔️ Use number lines and place value charts to model and explain rounding Includes 20 interactive slides aligned to 5.NBT.4 — perfect for centers, review, or test prep. ★ What's Included?★ - Links to download the Google Slides™ - Practice 1 -
Review fifth grade Operations with Decimals 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 add , subtract, multiply, and divide decimals to the hundredths place. (5.N
Practice Powers of 10 – 5th Grade Interactive Google Slides While working through these engaging measurement slides, students will practice: ✔️ Explain patterns when multiplying by powers of 10✔️ Explain patterns in decimal placement when dividing by powers of 10✔️ Write numbers in exponential form (e.g., 10⁴ = 10 × 10 × 10 × 10) ✔️ Complete number patterns and identify missing exponents With 22 slides of focused practice, this resource is perfect for math centers, targeted review, or test p
These Add and Subtract 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 add and subtract decimals to the hundredths place. I can explain using concrete models or drawings. ★ 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: Cli
Review 4th Grade Fractions as Decimals with our interactive Google Slides!While working through these interactive fraction slides, students will practice: ✔️ Converting fractions with denominators of 10 or 100 into decimals ✔️ Plotting decimal values on number lines ✔️ Matching decimal and fraction notation ✔️ Sorting cards to decide if decimal and fraction statements are true or false With 20 slides of engaging practice, you'll have plenty of ready-to-go activities for your fractions unit or t
Review 4th Grade Decimal Place Value with this FUN dodecahedron project! This math craft is perfect to complete as a fun end of unit assessment, fun review project, or end of the year activity. ⭐Purchase the growing bundle & SAVE!Included in this math activity packet: - 6 pages (2 circles per page) - recording sheet - answer key Students will having fun while reviewing math skills. You will love the recording sheet that makes grading this project a simple task! Be sure to leave feedback! You
Review 4th grade fractions and decimals 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 4th Grade Math Mazes Bundle and Save!* 7 Mazes Included:Maze 15 - Multiplying fractions Maze 16 - Comparing fractions Maze 17 - Adding fractions Maze 18 - Multiplying a fraction by a whole number Maze 19 - Fractions with denominators 10 & 100 Maze 20 - Decimal notation fo
This self-checking Multiply Decimals 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: Factors that result in decimal solutions to the tenths and hundredths ( multiply whole numbers by tenths, multiply tenths by tenths) Level 2: Factors that result in decimal solutions to the hundredths and thousandths (multiply tenths
Math Sorts are engaging cut & paste math activities that your students will love to complete! This bundle includes 27 print & digital math activities that cover 5th grade place value, rounding numbers, addition & subtraction, decimal place value and more! *GRAB THE COMPLETE BUNDLE HERE*Each Math Sort Includes: Printable Option (labeled & unlabeled categories)Interactive Google Slides OptionAnswer KeyINCLUDED IN THIS BUNDLE: 25 Print & Digital SortsPlace Value Relationships (13 sorts)10 Ti
Practice Multiplying Decimals – 5th Grade Interactive Google SlidesWhile working through these engaging slides, students will: ✔️ Multiply decimals to the hundredths using place value strategies✔️ Use models and area diagrams to represent decimal multiplication ✔️ Solve real-world word problems involving decimal multiplication Include s 20 interactive slides aligned to 5.NBT.7 — perfect for centers, review, or test prep. ★ What's Included?★ - Links to download the Google Slides™ - Practice 1
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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