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 4th Grade Geometry Math Standards (geometric attributes, classifying 2D shapes, types of triangles, & lines of symmetry) 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 at least THREE trifolds. Use these engaging booklets during math intervention, assessments, homework, spiral review, test prep and more! Teacher Feedback: ⭐⭐⭐⭐⭐“These are
Review Parallel & Perpendicular Lines (3rd Grade Florida B.E.S.T. math standard MA.3.GR.1.1) with this set of 6 engaging, cut & paste math sorting activities! Interactive Google Slides are also included. Use as morning work, math warm ups, math centers, math homework, math review, or as a quick math assessment!**Purchase the bundle & save!**Each Math Sort Includes: Printable Option (labeled & unlabeled categories)Interactive Google Slides OptionAnswer Key6 Printable Math Sorts Included: Under
These Classifying Quadrilaterals math activities help students identify and classify quadrilaterals based on their attributes. Students analyze parallel and perpendicular sides, identify acute, right, and obtuse angles, and classify shapes as squares, rectangles, rhombuses, parallelograms, and trapezoids.A reusable Math Notes Math Mat is included to help students identify attributes, draw and classify shapes, organize their thinking, and explain their reasoning during math centers, small groups,
Review Lines of Symmetry (3rd Grade Florida B.E.S.T. math standard 3.GR.1.3) with this set of 6 engaging, cut & paste math sorting activities! Interactive Interactive Google Slides are also included. Use as morning work, math warm ups, math centers, math homework, math review, or as a quick math assessment!**Purchase the bundle & save!**Each Math Sort Includes: Printable Option (labeled & unlabeled categories)Interactive Google Slides OptionAnswer Key6 Printable Math Sorts Included: Identify
Use these January Winter Math Worksheets as Morning Work, Math Centers, or Early Finisher Activities. ** SAVE by purchasing the complete bundle.Activities Included: Penguin Pattern Mini-BooksMarshmallow Madness Addition GameGeometry Jumble CrosswordSnow Globe MeasuringSnowball Multiplication FactsNew Year's Fraction Countdown Pennant (editable year)Snow Day SortingGuess My Rectangle: Area & Perimeter *** Now includes a QUICK PRINT option. Print all level 1 or level 2 activities in one click
These Partitioning Shapes math activities help students partition shapes into equal parts, identify unit fractions, and determine the fraction represented by a shaded region. Students practice working with halves, thirds, fourths, sixths, and eighths while describing fractional parts of a whole.A reusable Math Notes Math Mat is included to help students partition shapes, draw models, show their work, and explain fraction concepts during math centers, small groups, or independent practice. Digita
Review classifying 2D shapes with this hands-on and visual 3rd grade math dodecahedron craft! Students will explore attributes of polygons, quadrilaterals, and triangles while sorting, identifying, comparing, and drawing shapes based on their properties. Great for wrapping up your unit or using as a math center or sub plan! ⭐Purchase the bundle & SAVE!Included in this math activity packet:- 6 printable pages (2 circles per page, 12 circles total) - Recording sheet - Answer key - Step-by-step as
Practice 3rd Grade Comparing & Equivalent Fractions, Fractions on aNumber Line, Classifying Shapes, & Partitioning Shapes into equal parts with these fun Math Mystery Picture activities made for use with GOOGLE SHEETS. This is a DIGITAL ONLY resource which gives students instant feedback. >> Keep students accountable with the optional printable recording sheet!> Purchase the complete 3rd grade Pixel Art bundle & save!★ What's Included? 6 Google Sheet activities 6 Printable Recording
This Florida BEST math bundle includes 21 guided math tri-folds that cover the following third grade math Geometric Reasoning standards: MA.3.GR.1 and MA.3.GR.2>> Grab the bundle & SAVE! INCLUDED:> > 21 tri-folds> > Data tracking & standards lists> > Editable PowerPoint 9 TRI-FOLDS COVER: MA.3.GR.1 - Describe and identify relationships between lines and classify quadrilaterals. MA.3.GR.1.1 - Describe and draw points, lines, line segments, rays, intersecting
Review 3rd Grade Classifying Shapes with this set of 14 engaging, cut & paste math sorting activities! Interactive Google Slides are also included. Use as morning work, math warm ups, math centers, math homework, math review, or as a quick math assessment!**Purchase the bundle & save!**Each Math Sort Includes: Printable Option (labeled & unlabeled categories)Interactive Google Slides OptionAnswer Key14 Printable Math Sorts Included: Understanding Open & Closed ShapesIdentifying PolygonsIdent
This Florida BEST math bundle includes 17 pages of Math Skill Checks that cover the third grade math Geometric Reasoning Standards.>> Grab the bundle & SAVE! Included: > > 16 pages > > 48 Skill Checks > > Data tracking pages > > Answer Key Included:Geometric Reasoning Skills:Each page includes 3 Skill ChecksMA.3.GR.1.1Describe & Draw Points, Lines, Line Segments, & RaysDescribe & Draw Intersecting, Perpendicular, & Parallel LinesIdentify Geometric Attribute
This FL BEST math bundle includes 15 guided math tri-folds that cover second grade math standard MA.2.GR.1 ( Identify and analyze two-dimensional figures and identify lines of symmetry) and MA.2.GR.2 ( Describe perimeter and find the perimeter of polygons). >> Purchase the complete bundle & save!Included:> > 15 tri-folds > > Data tracking & standards lists> > Editable PowerPoint Math Skills Covered: Geometric ReasoningEach skill includes 3 tri-folds!MA.2.GR.12.GR
Math Sorts are engaging cut & paste math activities that your students will love to complete! This bundle includes 29 print & digital math activities that cover 5th grade classifying 2D and 3D shapes, plotting points on the coordinate plane, and problem solving on the coordinate plane. *GRAB THE COMPLETE BUNDLE HERE*Each Math Sort Includes: Printable Option (labeled & unlabeled categories)Interactive Google Slides OptionAnswer KeyINCLUDED IN THIS BUNDLE: 29 Print & Digital SortsClassifying
Review 5th Grade Classifying Shapes 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 Math Dodecahedron Craft 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
This FL BEST math bundle includes 3 guided math tri-folds that cover first grade math standard MA.1.GR.1 ( Identify and analyze two- and three-dimensional figures based on their defining attributes).Included:> > 12 tri-folds > > Data tracking & standards lists> > Editable PowerPoint Math Skills Covered: Geometric ReasoningEach skill includes 3 tri-folds!MA.1.GR.11.GR.1.1 - I can identify, compare, and sort 2D & 3D shapes based on their defining attributes.1.GR.1.2 - I
Practice 3rd Classifying Shapes with these fun Math Mystery Picture activity. Perfect for morning work, spiral review, test prep, early finishers, homework and more! This resource includes both PRINT and Digital options. Use the Google Forms version which gives students instant feedback or print the no-prep fun math coloring activity. >> View the complete 3rd Grade Color by Number bundle! Reviews ALL third grade math standards!* HOW DOES THE DIGITAL VERSION WORK?Think of this as a dig
Build strong geometry understanding with this comprehensive set of Geometry math vocabulary posters. Each term includes a simple, student-friendly definition and a clear visual model to support conceptual understanding and precise math language. These posters are ideal for upper elementary math classrooms and can be used throughout the year as students explore shapes, angles, transformations, and geometric relationships. 🔹 WHAT’S INCLUDED✔ 79 math vocabulary posters✔ Simple, student-frien
Practice 4th Grade multiplicative comparisons, multiplication, multi-step word problems, prime & composite numbers, multiples & factors, shape & number patterns and more with these fun Math Mystery Picture activities made for use with GOOGLE SHEETS. >> Keep students accountable with the optional printable recording sheet!> Purchase the complete 4th grade Pixel Art bundle & save!★ What's Included?8 Google Sheet activities 8 Printable Recording sheet & answer keysTopics Covered:1 - Mult
This Florida BEST math bundle includes 18 pages of Math Skill Checks that cover the fifth grade Geometric Reasoning Standards.>> Grab the bundle & SAVE! Included: > > 18 pages > > 54 Skill Checks > > Data tracking pages > > Answer Key Included:Geometric Reasoning: Each page includes 3 Skill ChecksMA.5.GR.1.1Classifying Triangles Justifying Triangle Classification Classifying Quadrilaterals Justifying Quadrilateral Classification MA.5.GR.1.2Classifying 3D Shap
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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