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Math Tech Connections

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Florida, United States
About the store
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.
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Preview of 4th Grade Math Review Crafts, Activities, Dodecahedron Math Projects

4th Grade Math Review Crafts, Activities, Dodecahedron Math Projects

Review 4th Grade Math Skills with this bundle of 8 Dodecahedron Projects! These math crafts are perfect to complete as a fun end of unit assessment, fun review project, or end of the year activity. Each Math Project Includes:- 6 pages (2 circles per page) - recording sheet - answer key CURRENTLY INCLUDED:Place ValueMulti-Digit Multiplication & DivisionDecimal Place ValueMeasuring Angles Area & PerimeterConverting MeasurementsClassifying Shapes & Lines of Symmetry Add & Subtract FractionsEditab
Preview of Multiplication Facts Practice - Arrays - distributive property of multiplication

Multiplication Facts Practice - Arrays - distributive property of multiplication

Review Multiplication Facts - Arrays with this digital math center. This resource includes 11 digital interactive multiplication notebooks. Need a PowerPoint Version? Simply open up the Google Slides and select File > Download > PowerPoint.★ What's Included?★ - 11 math notebooks - 13 slides each - x2 - x 12- self-checking tabs Click here to view a video previewYou may be interested in:Multiplication Facts Practice - Build ArraysMultiplication Facts Practice - Equal Groups* Please Note:
Preview of 3rd Grade Multiplication & Division Math Curriculum Unit 1 - Guided Math Lessons

3rd Grade Multiplication & Division Math Curriculum Unit 1 - Guided Math Lessons

I’m so excited to share with you Unit 1 of our 3rd Grade Print & Digital Guided Math Curriculum! Save 40% when you purchase Unit 1. If you purchase individually, this unit has a value of $102. This unit includes 34 individual lessons with hands-on activities and independent practice - both print & digital. Each lesson includes the following : Mini-Lesson: Bright, engaging digital lessons introduce and model each concept, including interactive questions and error analysis tasks to check und
Preview of Multiplication Facts Practice - Equal Groups Google Classroom Interactive Slides

Multiplication Facts Practice - Equal Groups Google Classroom Interactive Slides

Review Multiplication Facts - Equal Groups with this digital math center. This resource includes 11 digital interactive multiplication notebooks. Need a PowerPoint Version? Simply open up the Google Slides and select File > Download > PowerPoint.★ What's Included?★ - 11 math notebooks - 13 slides each - x2 - x 12- self-checking tabs Click here to view a video previewYou may be interested in:Multiplication Facts Practice - Build ArraysMultiplication Facts Practice - Equal Groups* Please
Preview of 5th Grade Place Value Unit: Decimals & Operations Guided Math Lessons

5th Grade Place Value Unit: Decimals & Operations Guided Math Lessons

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
Preview of Add & Subtract within 20 - 2nd Grade Digital Math Worksheets in Google Sheets

Add & Subtract within 20 - 2nd Grade Digital Math Worksheets in Google Sheets

Review Addition and Subtraction Within 20 with this 2nd Grade Interactive Google Slides Activity!Help your students build fluency with mental strategies using this interactive resource aligned to 2.OA.2. Students will use visual models, equations, and sorting activities to develop efficient strategies for adding and subtracting within 20. While working through these scaffolded slides, students will:✔️ Use ten frames, tape diagrams, and domino visuals to represent equations ✔️ Match equations wi
Preview of 5th Grade Place Value Mini-Unit 3: Four Operations with Decimals

5th Grade Place Value Mini-Unit 3: Four Operations with Decimals

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
Preview of Dividing Decimals Lesson | 5th Grade Guided Math Models, Strategies & Reasoning

Dividing Decimals Lesson | 5th Grade Guided Math Models, Strategies & Reasoning

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
Preview of Multiplying Decimals Lesson | 5th Grade Guided Math Decimal Operations Practice

Multiplying Decimals Lesson | 5th Grade Guided Math Decimal Operations Practice

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
Preview of Repeated Addition Math Center Review Arrays 2nd Grade Digital Math Activity

Repeated Addition Math Center Review Arrays 2nd Grade Digital Math Activity

Review Arrays with this 2nd Grade Interactive Google Slides Activity!Help your students master repeated addition with this interactive resource aligned to 2.OA.4. Students will explore how objects arranged in rows can be represented with repeated addition through hands-on digital activities. While working through these scaffolded slides, students will:✔️ Identify and build arrays using moveable counters ✔️ Describe arrays with repeated addition sentences ✔️ Match arrays to totals and complete s
Preview of Multi-Digit Division Strategies – 5th Grade Guided Math Lesson

Multi-Digit Division Strategies – 5th Grade Guided Math Lesson

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
Preview of Estimating Products & Quotients – 5th Grade Guided Math Lesson

Estimating Products & Quotients – 5th Grade Guided Math Lesson

Review and practice estimating products and quotients with this engaging 5th grade math lesson. Students estimate multi-digit multiplication and division problems using rounding, compatible numbers, and magnitude reasoning. Designed for small group instruction, this lesson helps students choose effective strategies, determine if estimates are reasonable, and explain their thinking. What's Included• 22 PowerPoint lesson slides for whole-class instruction • 2 Math mats for small-group guide
Preview of Multiplying Whole Numbers with Estimation – 5th Grade Guided Math Lesson

Multiplying Whole Numbers with Estimation – 5th Grade Guided Math Lesson

Review and practice multiplying multi-digit whole numbers with this engaging 5th grade math lesson. Students use estimation strategies and the standard algorithm to solve problems and check for reasonableness. Designed for small group instruction, this lesson helps students make low and high estimates, analyze the accuracy of their answers, and explain their thinking. What's Included• 19 PowerPoint lesson slides for whole-class instruction • 2 Math mats for small-group guided math instru
Preview of Subtracting Decimals Lesson | 5th Grade Guided Math Decimal Operations

Subtracting Decimals Lesson | 5th Grade Guided Math Decimal Operations

Review and practice subtracting decimals with this engaging 5th grade math lesson. Students use place value understanding, estimation, the standard algorithm, and addition to check subtraction to solve problems and determine if their answers are reasonable. Designed for small group instruction, this lesson helps students align decimals, regroup across place values, use addition to verify subtraction, analyze estimates, and explain their thinking.What's Included• 18 PowerPoint lesson slides f
Preview of 3rd Grade Math Editable PowerPoint Lessons - Addition and Subtraction

3rd Grade Math Editable PowerPoint Lessons - Addition and Subtraction

3rd Grade PowerPoint Math Lessons | Editable Math Mini-Lessons | 3rd Grade Math Workshop This bundle includes 11 editable step-by-step math lessons that will help you start your math block when teaching addition and subtraction. *** These PowerPoint presentations are included in our 3rd Grade Guided Math Curriculum, so do not purchase if you own the complete bundle. *** The 11 POWERPOINT lessons are organized into 3 mini-units:1. Adding within 1,000 2. Subtracting within 1,000 3. Multi-Step
Preview of 4th Grade Math Editable PowerPoint Lessons - Addition and Subtraction

4th Grade Math Editable PowerPoint Lessons - Addition and Subtraction

4th Grade PowerPoint Math Lessons | Editable Math Mini-Lessons | 4th Grade Math Workshop This bundle includes 12 editable step-by-step math lessons that will help you start your math block when teaching addition and subtraction. *** These PowerPoint presentations are included in our 4th Grade Guided Math Curriculum, so do not purchase if you own the complete bundle. *** The 12 POWERPOINT lessons are organized into 3 mini-units:1. Adding Numbers to 1 Million 2. Subtracting Numbers to 1 Million
Preview of 4th Grade Math Editable PowerPoint Lessons - Multiplication and Division

4th Grade Math Editable PowerPoint Lessons - Multiplication and Division

4th Grade PowerPoint Math Lessons | Editable Math Mini-Lessons | 4th Grade Math Workshop This bundle includes 23 editable step-by-step math lessons that will help you start your math block when teaching multiplication and division. *** These PowerPoint presentations are included in our 4th Grade Guided Math Curriculum, so do not purchase if you own the complete bundle. *** The 23 POWERPOINT lessons are organized into 7 mini-units:1. Multiplication and Division Review 2. Comparing with Multip
Preview of 5th Grade Operations with Decimals (Add, Subtract, Multiply & Divide) FREE Quiz

5th Grade Operations with Decimals (Add, Subtract, Multiply & Divide) FREE Quiz

This FREE 5th grade decimal operations quiz provides targeted practice with adding, subtracting, multiplying, and dividing decimals. Use it as a quick assessment, review activity, or test prep to check student understanding. This resource is part of:5th Grade Place Value Unit – Mini-Unit 3: Operations with DecimalsThis quiz aligns directly to the skills taught in Mini-Unit 3 and works well as a quick check or assessment. Skills Covered:• Adding decimals • Subtracting decimals • Multiplying de
Preview of 5th Grade Multi-Digit Multiplication & Division Quiz FREE | Math Assessment

5th Grade Multi-Digit Multiplication & Division Quiz FREE | Math Assessment

This FREE 5th grade multi-digit multiplication and division quiz provides targeted practice with estimation, problem solving, and checking for reasonableness. Use it as a quick assessment, review activity, or test prep to check student understanding. This resource is part of:5th Grade Place Value Unit – Mini-Unit 2: Operations with Whole NumbersThis quiz aligns directly to the skills taught in Mini-Unit 2 and works well as a quick check or assessment. Skills Covered:• Estimating products and
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About the store

Experience

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 :)