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.
These Multiplication math games help students practice multiplication strategies using equal groups, repeated addition, number lines, and arrays. Students stay focused and organized during math centers with easy-to-use printable and digital activities. Learning Goal: I can solve multiplication problems by thinking about equal groups of objects. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards)Activity #2: Matching Car
These Addition and Subtraction math games will save you time and help students stay focused and organized during math centers. Learning Goal: I can use strategies to fluently add and subtract within 1,000. >> 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 Forms Activity #2: Matching Cards in Goo
These Division math games help students practice division concepts using equal groups, arrays, and division models. Students stay focused and organized during math centers with printable and digital activities included. Learning Goal: I can solve division problems by taking a set of objects and partitioning the objects into equal shares. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards)Activity #2: Matching Cards (18 ma
These Multiplication & Division math games help students solve word problems within 100 using strategies like equal groups, repeated addition, arrays, number lines, and repeated subtraction. A printable math mat with visual notes and workspace is included to help students organize their thinking and explain their answers using drawings, equations, and words during math centers. Printable and digital options are included to help students stay focused and engaged during math instruction. >
Are you looking for a fun way to encourage math talk with your 6th graders? Which One Doesn't Belong prompts are a fun way to get students writing & talking about math! Use as math warm ups, whole group spiral review, or add to your math centers! ⭐Click the PREVIEW button to download 30 FREE Prompts!WHAT'S INCLUDED:Set #1: The Number System (30 prompts) Dividing Fractions Operations with Decimals Factors & Multiples Rational Numbers Absolute Value Integer Operations Set #2: Ratios & Proporti
These Division Unknown Factor math activities help students practice division and multiplication relationships by solving for missing numbers in equations. Students identify missing dividends, divisors, and quotients using inverse operations. Visual examples and structured workspace are included to help students stay focused and organized during math centers. Digital options are also included! Learning Goal: I can solve division problems by thinking of the missing factor in a multiplication
These Properties of Operations math activities help students practice multiplication strategies using the identity, commutative, associative, distributive, and multiplication property of 0. Visual models, arrays, and structured workspace are included to help students stay focused and organized during math centers. Digital options are also included!Learning Goal: I can apply properties of operations as strategies to multiply and divide. >> Click PREVIEW to view the 3 activities ★ Wha
These Arithmetic Patterns math activities help students identify, extend, and describe number patterns using addition, subtraction, multiplication, and division rules. Students practice using number lines, input/output tables, multiplication patterns, and true/false statements to explain how numbers change. A reusable Math Notes Math Mat with visual examples, pattern rules, a hundreds chart, multiplication table, and workspace is included to support students during math centers, small groups,
These Fluently Multiply & Divide math activities help students practice multiplication and division facts within 100. A reusable math mat with strategy reminders, visual examples, and workspace is included to help students solve problems using equal groups, repeated addition, repeated subtraction, number lines, arrays, related facts, and multiplication properties. Digital options are also included!Learning Goal: I can use strategies to fluently multiply and divide within 100. >> Clic
These Multiplying by Multiples of 10 math games help students stay focused and organized during math centers while building multiplication strategy and place value understanding. Printable and digital options are included!Learning Goal: I can multiply one-digit whole numbers by multiples of 10 in the range of 10-90. >> 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
Spiral Review 2nd grade math skills with this bundle of 92 Error Analysis math writing prompts. Students are prompted to find the error & explain their thinking. Use during math centers, guide math groups, test prep, homework, or independent practice. 4 options are included: No Prep - just print & go worksheetsBooklets - easy to fold, no cuttingGoogle Slides - colorful & paperlessBONUS: printable book with space for writing** Create an engaging math writing station or use as whole group math w
These Unknown Numbers in Equations math centers help students practice using fact families and related facts to solve multiplication and division equations with missing numbers. Printable math centers and a reusable Math Notes support page are included to help students stay focused and organized during math centers. Learning Goal: I can determine the unknown whole number in a multiplication or division equation relating three whole numbers. >> Click PREVIEW to view the 3 activities ★
Spiral Review 1st grade math skills with this bundle of 88 Error Analysis math writing prompts. Students are prompted to find the error & explain their thinking. Use during math centers, guide math groups, test prep, homework, or independent practice. 4 options are included: No Prep - just print & go worksheetsBooklets - easy to fold, no cuttingGoogle Slides - colorful & paperlessBONUS: printable book with space for writing** Create an engaging math writing station or use as whole group math w
Develop a deep understanding of decimal place value and operations, including reading, writing, comparing, adding, subtracting, multiplying, and dividing decimals, with this complete 5th grade guided math unit. This comprehensive unit includes 3 mini-units and 14 complete lessons designed for whole group instruction, small group practice, independent work, and assessment. This Unit Includes:Mini-Unit 1: Understanding Decimals & Place Value• Lesson 1: Reading & Writing Decimals • Lesson 2: Pla
These Multiples math activities help students determine whether numbers to 144 are multiples of a 1-digit number while reviewing Florida B.E.S.T. Math standard MA.3.AR.3.2. Students practice identifying multiples, skip counting, analyzing arrays, using multiplication and division equations, finding common multiples, and solving problems with multiples through engaging math center activities. A reusable Math Notes Math Mat with a hundreds chart, skip counting visuals, related facts, and work
These Even & Odd Numbers math activities help students identify whether numbers to 1,000 are even or odd while reviewing Florida B.E.S.T. Math standard MA.3.AR.3.1. Students practice using number properties, finding missing numbers, solving true/false statements, and identifying even and odd numbers in 2-digit and 3-digit numbers. A reusable Math Notes Math Mat with visual examples, equal groups, equations, and workspace is included to support students during math centers, small groups, or
Develop a deep understanding of decimal operations, including addition, subtraction, multiplication, and division, with this complete 5th grade guided math mini-unit. This mini-unit is part of a comprehensive 5th Grade Place Value & Operations Unit and includes 4 complete lessons designed for whole group instruction, small group practice, independent work, and assessment. Mini-Unit 3 Includes:Lesson 1: Adding DecimalsLesson 2: Subtracting DecimalsLesson 3: Multiply DecimalsLesson 4: Multiply
Review and practice dividing decimals with this engaging 5th grade math lesson. Students use place value reasoning, estimation, and multiple strategies to divide decimals and explain their thinking. They also use multiplication to check their work, building a deeper understanding of decimal operations. Designed for small group instruction, this lesson helps students understand how decimals impact quotients, use models to represent division, and apply efficient strategies to solve problems. W
Review and practice multiplying decimals with this engaging 5th grade math lesson. Students use place value reasoning, scaling, estimation, and multiple strategies to find products and analyze their accuracy. Designed for small group instruction, this lesson helps students understand how decimals affect the size of a product, choose efficient strategies, and explain their thinking. What's Included• 21 PowerPoint lesson slides for whole-class instruction • 1 Math mat for small-group guided
Review and practice dividing multi-digit whole numbers with this engaging 5th grade math lesson. Students use estimation strategies, area models, partial quotients, and the standard algorithm to solve problems and check for reasonableness. Designed for small group instruction, this lesson helps students make reasonable estimates, determine when remainders occur, analyze the accuracy of their answers, and explain their thinking. What's Included• 27 PowerPoint lesson slides for whole-cla
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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