Encoding and Decoding
170+ results
Filters
Grade
Subject
Format
Resource type
Standard
Theme
Language
Programs & methods
Supports
Simon Says Multiplication! Message #1 - Decode the Secret Message
Simon is a Sleuth Sloth who loves following clues and playing Simon Says! This cute activity is perfect for getting students excited about math. Students work to solve single-digit multiplication problems to decode Simon’s secret message. The entire class or just a small group will delight in the silly antics of the game while getting multiplication fact practice!How It Helps Students:Builds math fluency with puzzles and problem-solvingBoosts logic, reasoning, and real-world thinkingEngages stud
3rd - 5th
Arithmetic, Basic Operations, Other (Math)
CCSS
3.NBT.A.3
, 3.OA.A.1
, 3.OA.A.4
+3
Math Puzzles Addition | Magic Squares and Triangles 3 x 3 SET 1
These addition logic puzzles feature 3 x 3 Magic Squares and Magic Triangles and will have your students doing some serious math, while having fun with the math puzzles at the same time. Win-win! These are challenging and provide for lots of logical thinking. I've used these puzzles with students in Grades 1 - 5, and they're always fun. Laminate these cards (or put them inside a plastic sleeve) and allow your students to write on them so they can erase often and try again. Or, give students num
1st - 5th
Arithmetic, Math, Mental Math
CCSS
1.OA.A.2
, 1.OA.C.6
, 1.OA.D.8
+1
Addition: A funny math workbook for teens and adults
Hi. Have you ever had that nightmare where numbers are chasing you through the streets of London and yelling about bagels? Yeah, me too. Here at Mathematics for Everyone, we know how to make the math nightmares stop. All it takes are some good math explanations, real world examples, a few math shortcuts, and a potato gun filled with cream cheese. In this series, we’ll cover math from the very beginning. We’ll bridge those gaps, spackle those cracks, and finally make math make sense (
Not Specific
Arithmetic, Basic Operations, Decimals
Lemonade Stand Lessons: Math, Money, and Entrepreneurship for Kids
🍋 Teach Money Math Through a Lemonade Stand! 🍋 Help kids build real-world math and financial literacy skills with this fun, hands-on workbook featuring Penny the Goose! Students will design their own lemonade stand, count money, calculate expenses, set prices, make change, track profits, and decide what to do with their earnings. Included: 24-page printable workbook Printable Goose Bucks money Answer key Certificate of completion Teacher guide Skills Covered: Counting money Making
K - 3rd
Arithmetic, Basic Operations, Money Math
CCSS
K.CC.B.5
, K.MD.B.3
, 1.MD.C.4
+7
Addition Practice Math Sheets | Pre-K & Kindergarten | Counting Dots Scaffolded
🐊 Addition Practice Math Sheets | Pre-K & KindergartenGive your little learners the perfect introduction to addition with these fun, scaffolded practice sheets! 🎉 Designed with Pre-K4 and Kindergarten students in mind, these worksheets make learning to add simple, stress-free, and engaging! What's Included:✏️ Number tracing pages for practice first ➕ Addition problems with counting dots beside each number 📉 Pages that gradually remove the visual dot prompts to build independence 📝 Pages
PreK - K
Arithmetic, Numbers
CCSS
K.CC.A.1
, K.CC.A.2
, K.CC.B.4c
Addition & Subtraction Within 5 – 1 Minute Timed Tests Plus Bonus Data Sheets
Build strong number fluency in your K–1 learners with these 1-Minute Timed Tests for Addition, Subtraction, and Mixed Facts Within 5! This low-prep math fluency resource includes 9 timed test forms, student tracking tools, and teacher data sheets—everything you need to monitor growth, build confidence, and strengthen math fact fluency all year long. Perfect for Kindergarten, 1st Grade, RTI, small groups, morning work, math intervention, and special education, these quick checks give you an e
K - 1st
Arithmetic, Numbers
CCSS
K.OA.A.5
Math Fact Wheels - Multiplication and Division
Math Fact Memorization: Math Fact WheelsThese math fact wheels are a tool to use to help students work on their math fact memorization. They provide another way for students to practice their math facts. This product includes an multiplication wheel and a division wheel for each of the facts sets 1 - 12. Beneath each wheel, there is a place to write the fact equations for that wheel. This product is included in the Math Fact Wheel Bundle.
2nd - 5th
Arithmetic, Basic Operations, Mental Math
Also included in: Math Fact Wheel Bundle
Math Fact Wheels - Addition and Subtraction
Math Fact Memorization: Math Fact WheelsThese math fact wheels are a tool to use to help students work on their math fact memorization. They provide another way for students to practice their math facts. This product includes an addition wheel and a subtraction wheel for each of the facts sets 1 - 12. Beneath each wheel, there is a place to write the fact equations for that wheel. This product is included in the Math Fact Wheel Bundle.
2nd - 5th
Arithmetic, Basic Operations, Mental Math
Also included in: Math Fact Wheel Bundle
Math 6 | Common Factors & Cryptography Lesson Slides | Encryption Theme
"When will I ever use this?" Answer that question with this engaging lesson connecting Common Factors to Cryptography (Codes). Take your students beyond basic lists. This lesson uses a "Secret Agent" theme to show how factors function as "keys" to unlock encrypted messages. It bridges the gap between abstract math and real-world computer science concepts in a way that is approachable for Middle Schoolers. WHAT'S INSIDE:The "Hook": Introduction to encryption and why we need factors to break co
5th - 7th
Applied Math, Arithmetic, Numbers
CCSS
6.NS.B.4
Also included in: Crack the Code: Common Factors Full Lesson Bundle (Slides + Activity)
Subtraction within 10 with Pictures & Models Math WorkSheets K–1st Grade Set A
Subtraction Within 10 with Pictures and Models, Sky-Themed Differentiated Worksheets for K–1 (Set A) Build fluency with subtraction within 10 while connecting to science concepts about the day and night sky with this sky-themed math resource! This resource includes 4 differentiated worksheets featuring fun sky elements like clouds, rainbows, sun, moon, and stars, making math both visual and exciting for young learners. Each worksheet is thoughtfully designed at varying ability levels.Each worksh
K - 2nd
Arithmetic, Basic Operations, Earth Sciences
CCSS, NGSS
K.CC.A.3
, 1.NBT.B.2
, K.OA.A.1
+11
Teacher Gradebook with Conditional Formatting & Automatic Averages
Save time, stay organized, and instantly analyze student performance with this fully editable Teacher Gradebook Spreadsheet! This easy-to-use gradebook is designed to automatically calculate student averages and class averages, while visually highlighting performance levels using built-in color-coded conditional formatting. Perfect for tracking assignments, quizzes, tests, or a combination of all three, this gradebook helps you quickly identify trends and support student success—without extr
Not Specific
Arithmetic, Other (Math), Reading
Fact Family Triangle Cards - Multiplication and Division
Fact Families are a great way for students to work on memorizing their math facts. Using Fact Families can shortcut the process by demonstrating the connection between the two multiplication equations through the commutative property, as well as the connections between multiplication and division as inverse operations. This product contains pages with triangle cards for the 1’s through the 12’s which you can print, then cut and laminate them so you can use them over and over. You could use th
3rd - 6th
Arithmetic, Basic Operations, Mental Math
Also included in: Fact Families Bundle
Tier 3 Math Vocabulary K–5 | Academic Language Word List for Classroom & SLP
Build academic math language with this Tier 3 Vocabulary list for K–5! Organized by foundational, developing, and advanced levels, this resource supports instruction, RTI, ESL, and speech therapy.Looking for a clear, structured way to teach math vocabulary across grade levels? This Tier 3 Math Vocabulary resource includes 75 carefully selected academic words commonly introduced across K–5 math standards, organized by developmental progression to support classroom instruction, intervention, an
K - 5th
Arithmetic, Basic Operations, Geometry
I can statements for Math- EC and early learners
Description of “I Can” Statements:“I Can” statements are simple, student-friendly versions of learning objectives that tell students exactly what they are learning and what they should be able to do by the end of a lesson or activity. In an EC (Exceptional Children) classroom, “I Can” statements help make learning goals clear and accessible to all students, regardless of ability or communication method. They break down complex standards into small, manageable skills that students can understand
PreK - 9th
Arithmetic, Basic Operations, Other (Math)
K–2 Classroom Reset Slides | Debug Lab Spiral Review for Math & ELA
💻🔍 K–2 CLASSROOM DEBUG LAB | FIND THE BUG SPIRAL REVIEW SLIDES 🔍💻 Your students are not just reviewing skills — they are becoming classroom “debuggers!” This tech-inspired slide deck transforms end-of-year review into an engaging error-analysis challenge where students find, explain, and fix “bugs” in routines, math, oral language, and early literacy tasks. Perfect for kindergarten, first grade, second grade, intervention groups, morning meeting, classroom reset time, spiral review, or those
K - 2nd
Arithmetic, Classroom Community, Reading Strategies
Add and Subtract (Up to 10) Number Bonds & Sentences with Differentiation
Help your kinders develop their number sense with these guided worksheets. These lessons focus on modeling numbers using actions, objects, drawings, and number sentences, giving students multiple ways to understand how numbers can be broken apart and put together. This resource goes beyond worksheets by providing full lesson plans that include a topic focus, materials list, hook activity, step-by-step instruction, and differentiation recommendations—making it ideal for general education, special
K - 1st
Arithmetic, Basic Operations, Order of Operations
Montessori Math Numbers 1–20 | Counting Cut and Paste Recording Work
Numbers 1–20 | Counting, Tracing & Quantity MatchingThis Montessori-aligned math recording set supports children as they build a strong understanding of numbers 1–20 through purposeful cutting, counting, and recording. Designed as follow-up work after hands-on Montessori math lessons, these pages invite children to count real quantities, make decisions, and confirm understanding—rather than guess or complete busy worksheets. Each page focuses on one number only, allowing children to slow do
PreK - 1st
Arithmetic, Basic Operations, Numbers
Christmas / Winter Add and Subtract Picture Math | Worksheet or File Folder W/5
Christmas & Winter Addition and Subtraction Picture Math Within 5 | Worksheets & File Folders | Cut-and-Glue or Velcro Answer Options This Christmas and winter-themed math resource provides hands-on, accessible practice for addition and subtraction within 5. Designed for special education, kindergarten, and early intervention, these materials offer both printable worksheets and reusable file folder activities to support a wide range of learners and teaching needs. Students use picture supports
PreK - 1st
Arithmetic, Basic Operations, Other (Math)
CCSS
K.CC.B.4
, K.CC.B.5
, 1.OA.A.1
+1
Leo's Pattern: Exploring Addition and Subtraction Using the Fibonacci Sequence
Based on the famous Fibonacci sequence, this activity helps students develop numbers sense as they work with addition and subtraction. Decimals and integers are easily incorporated, and estimation skills are honed. It is a nice activity for the teacher since much of the work is self-correcting. Problem solving strategies can be taught, and students can even use algebra as a tool.
Includes comprehensive instructions and examples, journal prompts, extensions, answer key, blank masters, and eight
4th - 9th
Algebra, Arithmetic, Basic Operations
CCSS
4.NBT.B.4
, 5.NBT.B.7
, 6.NS.B.3
+3
Music Video Anchor Project: +-x/ Positive and Negative Rational Numbers PBL 7NSA
Imagine your seventh-graders as producers of the next hit music video... and it's all about number sense! This engaging project gives students hands-on experience with adding, subtracting, multiplying and diving positive and negative decimals in an authentic, need-to-know context that will prepare them for algebra. Musical, logical/mathematical, verbal/linguistic, bodily/kinesthetic, visual/spatial, and interpersonal intelligences are all challenged stretched, and there's a way for every student
6th - 7th
Arithmetic, Decimals, Numbers
CCSS
7.NS.A.1
, 7.NS.A.2
, 7.NS.A.3
Montessori Number & Ten Frame Cards 1–20 | Counting & Quantity Matching
Montessori Number & Ten Frame Cards (1–20) This Montessori-inspired math activity helps children develop number recognition and quantity understanding using ten frames and number cards. Children match each number with the correct ten frame, building a strong foundation in counting, number sense, and visual quantity recognition. Flexible Use for Different Levels This resource is designed to support progressive learning. You can: • Start with numbers 1–9 or 1–10 for beginners • Gradually intr
PreK - 1st
Arithmetic, Numbers, Place Value
Counting Object Writing Number to 20 Worksheet Pre-School & Kindergarten Math
Counting Object Writing Number to 20 Worksheets!This resource is a 20 pages engaging worksheets with concept of fun counting object and write number with cute animal themed comprehensive practice set designed to enhance students' skills, keep motivated and help students visualize the process of counting numbers 1-20 and developing recognition and writing skills. This worksheet is for Pre-school and Kindergarten students and simple enough for working on independently. This worksheet designed
PreK - K
Arithmetic, Basic Operations, Numbers
CCSS
K.CC.A.3
, K.CC.B.4
, K.CC.B.5
Fact Family Triangle Cards - Addition and Subtraction
Fact Families are a great way for students to work on memorizing their math facts. Using Fact Families can shortcut the process by demonstrating the connection between the two addition equations through the commutative property, as well as the connections between addition and subtraction as inverse operations. This product includes triangle cards for the 0's through the 12's which you can print, then cut and laminate so you can use them over and over. You could use these cards in centers by p
2nd - 6th
Arithmetic, Basic Operations, Mental Math
Also included in: Fact Families Bundle
Composing and Decomposing Valentines (Up to 10) with Differentiation
Help your kinders develop their number sense with these guided worksheets. These lessons focus on modeling numbers using actions, objects, drawings, and number sentences, giving students multiple ways to understand how numbers can be broken apart and put together. This resource goes beyond worksheets by providing full lesson plans that include a topic focus, materials list, hook activity, step-by-step instruction, and differentiation recommendations—making it ideal for general education, special
K - 1st
Arithmetic, Basic Operations, Order of Operations
Showing 1-24 of 170+ results
TPT is the largest marketplace for PreK-12 resources, powered by a community of educators.
IXL family of brands