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
Review 3rd grade multiplication and division with this engaging and hands-on math dodecahedron craft! This printable 3D project is the perfect way to reinforce equal groups, arrays, number lines, and word problems while giving students a meaningful review activity. 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
Review 3rd Grade Equivalent Fractions with our interactive Google Slides!While working through these interactive fraction slides, students will practice: ✔️ Identifying equivalent fractions using visual models and number lines ✔️ Matching area models, number lines, and written fractions ✔️ Explaining why two fractions are equivalent using simple math reasoning ✔️ Sorting and selecting true equivalency statements With 21 slides of engaging practice, this resource is perfect for math centers, sma
Introduce Division with Interactive Google Slides!Review key division skills by exploring equal groups, picture models, and simple equations. While working through these digital slides, students will:✔️ Match visual models to division equations ✔️ Solve real-world word problems by partitioning objects into equal groups ✔️ Choose correct expressions to match a quotient ✔️ Analyze statements and identify those that match a given division scenario With 23 slides of scaffolded practice, these activ
Review 3rd Grade NBT Math Standards (rounding numbers, addition & subtraction, multiplying multiples of 10) 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 THREE trifolds. Use these engaging booklets during math intervention, assessments, homework, spiral review, test prep and more! Teacher Feedback: ⭐⭐⭐⭐⭐“These are PERFECT for what my admin is
These Telling Time and Elapsed Time math activities help students practice reading analog clocks, matching times, solving elapsed time word problems, and finding start or end times. Students use clocks, number lines, and real-world time situations to build time-telling skills and explain their thinking. A reusable Math Notes Math Mat is included to support students during math centers, small groups, or independent practice. The math mat includes an analog clock, number line, T-chart, elapsed t
These Rounding math games will save you time and help students stay focused and organized during math centers. Digital versions of each math game Learning Goal: I can use what I know about place value to round numbers to the nearest 10 or 100. >> 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 For
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
Solve Word Problems with Interactive Google Slides!Review key multiplication and division skills by solving real-world word problems using models, equations, and logical reasoning. While working through these digital slides, students will:✔️ Solve one-step word problems using multiplication and division within 100 ✔️ Match arrays, number sentences, and story problems ✔️ Use drawings and equations to show their thinking ✔️ Solve multiple-choice and true/false problems to show understanding With
These Interpret Fractions as Division math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goals: I can interpret a fraction as division of the numerator by the denominator. I can solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers. I can use area models or equations to represent the problem. ★ What's Included? ★ Printable Centers:Activity #1: C
These Shape & Number Patterns math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goals: I can generate a number or shape pattern that follows a given rule. I can identify features of a pattern. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards - 3 pages)Activity #2: Matching Cards (18 matching sets - 6 pages)Activity #3: Math Sort (18
Practice Line Plots with Fractions using interactive Google Slides!While working through these visual and engaging data slides, students will practice: ✔️ Creating line plots to display data measured in fractions of a unit (½, ¼, ⅛, ⅓) ✔️ Interpreting line plots to solve word problems involving fractional data ✔️ Adding and subtracting fractions to analyze and compare measurements With 20 slides of hands-on practice, these activities are perfect for building confidence with fraction-based d
These Add & Subtract Fractions math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goals: I can add and subtract fractions with unlike denominators (including mixed numbers). I can solve word problems involving addition and subtraction of fractions. I can use area models or equations to represent the problems. I can use benchmark fractions to estimate mentally and assess the reasonableness of my answers. ★
Practice Mass & Volume Word Problems with interactive Google Slides!While working through these real-world measurement slides, students will practice: ✔️ Measuring and estimating liquid volume (milliliters, liters) and mass (grams, kilograms) ✔️ Solving one-step word problems using addition, subtraction, multiplication, or division✔️ Comparing and combining measurements using reasoning and math models ✔️ Estimating reasonable answers and selecting best estimates ✔️ Using visual supports li
Review 4th Grade Place Value with our interactive Google Slides!While working through these interactive math slides, students will: ✔️ Explore how the value of a digit changes when it moves one place to the left or right ✔️ Multiply and divide whole numbers by multiples of 10 using place value understanding ✔️ Use place value charts and moveable number tiles to visualize number relationships With 24 slides of scaffolded practice, these activities are perfect for centers, digital review, or test
These Prime & Composite Numbers, Create Factor Pairs math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goal: I can find all the factor pairs of a whole number up to 100. I can determine if a whole number up to 100 is prime or composite. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards - 3 pages)Activity #2: Matching Cards (18 matchi
Practice Converting Measurements with our interactive Google Slides!While working through these engaging measurement slides, students will practice: ✔️ Converting units within the same measurement system (customary and metric) ✔️ Solving multi-step, real-world word problems using measurement conversions ✔️ Applying logical reasoning to choose appropriate units and operations ✔️ Strengthening fluency with length, weight, and capacity conversions With 20 slides of focused practice, you’ll ha
These Multiplication math games will save you time and help students stay focused and organized during math centers. Digital options are now included!Learning Goal: I can multiply a whole number of up to four digits by a one-digit whole number. I can multiply two two-digit numbers. >> Click PREVIEW to view the 3 activities ★ What's Included? ★ Printable Centers:Activity #1: Clip Cards (18 cards - 3 pages)Activity #2: Matching Cards (18 matching sets - 6 pages)Activity #3: Math Sort (1
Practice Bar Graphs & Picture Graphs with interactive Google Slides!While working through these visual data slides, students will practice: ✔️ Drawing scaled bar graphs and picture graphs to represent data sets with several categories ✔️ Completing graphs based on tables or survey data✔️ Solving one- and two-step “how many more/less” problems✔️ Using visual models to reason through category comparisons and totals ✔️ Strengthening graph-reading skills for real-world and test-prep scenarios W
These Equivalent Fractions math activities help students master identifying and generating equivalent fractions using models, number lines, and fraction reasoning. A reusable Math Notes Math Mat is included to help students model equivalent fractions, draw visual representations, and record their thinking while solving problems.Students use area models, fraction strips, and number lines to determine whether fractions are equivalent. They identify equivalent fractions, find missing numbers in equ
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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