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.
Support student understanding of key 3rd grade math skills with this growing bundle of printable math support mats and graphic organizers. These reusable math mats combine visual math notes, worked examples, strategy reminders, and open workspace to help students model strategies, organize thinking, and solve problems independently. Perfect for small group instruction, math intervention, guided math, RTI, math centers, and independent practice. Simply print and place in a dry erase slee
Math Sorts are engaging math activities that encourage math talk. Students explain how they sort their cards and build strong math concepts as they create cards of their own. Ways to use: whole group lesson, small group lesson, independent math center, assessment, exit tickets, or homework Download this resource and try 5 free math sorts! The Bundle Includes the Following- Set 1: Operations & Algebraic Thinking - 12 sorts - Set 2: Number & Operations in Base 10 - 27 sorts - Set 3: Measuremen
Third grade Math Sorting activities are engaging and encourage critical thinking during math centers! Easily differentiate this interactive math activity by using the sorts with or without the labels. Ways to Use this Resource- Start your math workshop with math sorts and help your students build math fluency - Add to a math center for students to complete independently. Ask students to discuss with a partner how they organized their cards. - Send home as a homework activity - Quick assessment
Fourth grade Math Sorting activities are engaging and encourage critical thinking during math centers! Easily differentiate this interactive math activity by using the sorts with or without the labels. Ways to Use this Resource- Start your math workshop with math sorts and help your students build math fluency - Add to a math center for students to complete independently. Ask students to discuss with a partner how they organized their cards. - Send home as a homework activity - Quick assessment
Fifth grade Math Sorting activities are engaging and encourage critical thinking during math centers! Easily differentiate this interactive math activity by using the sorts with or without the labels. Ways to Use this Resource- Start your math workshop with math sorts and help your students build math fluency - Add to a math center for students to complete independently. Ask students to discuss with a partner how they organized their cards. - Send home as a homework activity - Quick assessment
Sixth grade Math Sorting activities are engaging and encourage critical thinking during math centers! Easily differentiate this interactive math activity by using the sorts with or without the labels. Ways to Use this Resource- Start your math workshop with math sorts and help your students build math fluency - Add to a math center for students to complete independently. Ask students to discuss with a partner how they organized their cards. - Send home as a homework activity - Quick assessment
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.