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.
Enjoy 3 FREE October Math activities from our third, fourth, and fifth grade seasonal math centers bundles. Print & Go resources perfect for morning work, early finishers, substitute plans, homework, math centers, and more! THIS FREEBIE INCLUDES THE FOLLOWING:3rd Grade: Hidden Pumpkin Problems - 8 multiplication and division word problems. Students write equations, solve, and find the equations in a number search.CCSS: 3.OA.3, 3.NBT.3 TEKS: 3.4K, 3.5B Florida BEST: 3.AR.1.2 4th Grade: Spooky
Use our free Multiplication printable chart when working on fact fluency. Included:x1 - x12 Chart in color & black and whitex0 - x12 Chart in color & black and whitex1 - x20 Chart in color & black and whitex0 - x20 Chart in color & black and whiteEditable PowerPointLooking for fun math activities? Which One Doesn't Belong Math Prompts:1st grade2nd grade3rd grade4th grade5th gradeWould You Rather Math Prompts1st Grade2nd Grade3rd grade4th grade5th grade6th gradeMATH MAZES:5th Grade 4th Grade 3rd
Enjoy this free Addition Facts Riddle from our August Math Activities bundle. Our 3rd grade August activities review 2nd grade math skills! This activity includes two different levels practicing the same skill. Look for • and •• to quickly differentiate for your students and keep everyone engaged! Activities Included in the August Bundle: Addition RiddleSubtraction Missing DigitsEqual Groups PuzzleAddition GameEven & Odd BannersNumber FormsSkip CountingSubtraction GameView the YEAR-LONG Bundl
Start your year with these FREE printable math brochures—perfect for the first day or first week of school! Designed for 3rd, 4th, and 5th grade, these back to school math activities combine light review with fun “About Me” prompts to help students ease into routines with confidence. Each brochure includes:✔️ Color-by-code math (addition, multiplication, division) ✔️ Place value comparisons✔️ Matching equations✔️ Skip counting dot-to-dot✔️ About Me writing promptsThese print-and-go ma
Use our 2nd grade free math booklets during guided math groups or as independent practice. If you find them helpful and would like to see the bundle, please visit this page. This free download includes THREE tri-folds all about Addition & Subtraction within 100 (2.NBT.5). WAYS TO USE: * Introduce a specific standard whole group * Use in small group to practice/reteach a specific standard * Place in an independent math workshop center * Use the 3rd tri-fold as an ASSESSMENT! More 2nd Grade Mat
Enjoy this free Multiplication & Division Facts activity from our September Math Activities bundle. Students answer simple multiplication and division fact problems, then match answers to fill in the blanks to learn about Labor Day. This activity includes two different levels practicing the same skill. Look for • and •• to quickly differentiate for your students and keep everyone engaged! September Activities Included (2 levels each): Measurement PuzzleMultiplication & Division Mini-BooksTwo
Enjoy this free Labor Day activity from our September Math bundle. Students solve equations with parentheses, then match answers to fill in the blanks to learn about the holiday. This activity includes two different levels practicing the same skill. Look for • and •• to quickly differentiate for your students and keep everyone engaged! September Activities Included (2 levels each): Converting Measurements PuzzlesCommon Multiples & Factors and Adding & Subtracting Fractions Mini-booksTwo Trut
Enjoy this free Labor Day activity from our September Math bundle. Students solve simple AREA problems, then match answers to fill in the blanks to learn about the holiday This activity includes two different levels practicing the same skill. Look for • and •• to quickly differentiate for your students and keep everyone engaged! September Activities Included (2 levels each): Converting Measurements PuzzlesMultiples and Factors Mini-booksTwo Truths & a Lie: Comparing NumbersGuess my Polygon G
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
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
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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