Coding Without Computers
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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)
Tens Ones and Hundreds Worksheets
These Montessori-inspired golden bead hundreds, tens and units task cards can be used with the physical golden beads, or without the beads, such as for homeschooling use. (Homeschoolers may be interested in my printable golden beads.) These cards provide a multi-sensory way to teach place value of hundreds, tens and units. What's Included:4 sheets of 16 cards featuring the golden bead hundred squares, ten bars and unit beads Full colorBlack and white2 sheets of Color-coded Tens and Units Number
K - 1st
Arithmetic, Math
Multiplication Task Cards
You can use these cards when teaching static and dynamic multiplication with the Montessori Golden Beads or other math manipulatives. Each place value is color-coded just the same as the small or large number cards. The cards can be made double-sided with the answer printed on the back, or printed separately. Blank templates are included for student copywork. The solid yellow-lined cards indicate a static equation without regrouping, while the double lined cards indicate dynamic multiplication,
K - 2nd
Arithmetic, Basic Operations, Math
CCSS
2.OA.C.4
Also included in: Math Four Operations Command Cards
Tens and Ones Worksheet for Kindergarten
These Montessori-inspired golden bead tens and units printable can be used as worksheets or task cards. They can be used in the classroom with the physical golden beads, or without the beads, such as for homeschooling use. (Homeschoolers may be interested in my printable golden beads.) These cards provide a multi-sensory way to teach place value of tens and units. What's Included:4 sheets of 16 cards featuring the golden bead ten bars and unit beads Full colorBlack and white1 sheet of Color-cod
K - 1st
Arithmetic, Math
4-Digit Addition Without Regrouping Worksheets | Differentiated Math Practice
Make 4-digit addition simple and stress-free for your students with this Differentiated 4-Digit Addition Without Regrouping Bundle!This resource includes multiple levels of differentiated worksheets to help every learner succeed — from those just beginning to master addition to students ready for an extra challenge. Each page focuses on addition without regrouping, making it ideal for introducing or reinforcing multi-digit addition skills. Use these worksheets for: Independent math practice
2nd - 4th
Arithmetic, Basic Operations, Place Value
CCSS
3.NBT.A.2
Crack The Code Math Within 0-10 Addition And Subtraction For Kindergarten
Crack The Code Math Within 0-10 Addition And Subtraction For Kindergarten Worksheets! Kindergarten Students.This resource is a 20 pages engaging worksheets with concept of “crack the code” addition and subtraction within numbers 0-10 comprehensive practice set designed to enhance students' skills and keep motivated and learning which is a crucial skill in elementary math for kindergarten students and is simple enough for working on independently. Each page includes engaging puzzles that enco
K - 1st
Arithmetic, Basic Operations, Mental Math
CCSS
K.OA.A.1
, K.OA.A.2
, K.OA.A.5
Crack the Code: Common Factors Encryption Worksheet | Differentiated Puzzle
Can your students break the code? In this engaging activity, students become "Code Breakers." They must find the Common Factors of specific number pairs to unlock a cipher and reveal a hidden secret message (a fun joke/riddle). BUILT-IN DIFFERENTIATION: We know every classroom has mixed abilities. This resource includes two versionsof the same puzzle: Level A (Scaffolded): Includes "Hint" columns (e.g., tells students how many factors to look for) to support struggling learners.Level B (Challe
5th - 7th
Applied Math, Arithmetic, Numbers
CCSS
6.NS.B.4
Also included in: Crack the Code: Common Factors Full Lesson Bundle (Slides + Activity)
2 Digit Addition without Regrouping Math Activity Worksheets
2 Digit Addition without Regrouping Math Activity Worksheets! Grade 1-Grade 2 Students.This resource is a 40 pages (20 problems sheet + 20 answer key sheet) engaging worksheets with concept of fun math two digit addition without regrouping comprehensive practice set designed to enhance students' skills, keep motivated and help students visualize the process of addition without regrouping. This worksheet is for Grade 1-2 students and simple enough for working on independently. Answer Keys Inclu
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
1.NBT.B.2
, 1.NBT.C.4
, 2.NBT.B.5
Montessori Doubles Addition | Colored Bead Bars Math Work | Fact Fluency
Montessori Hands-On Doubles Activities | Color-Coded Math Addition for Early LearnersSupport your students in mastering addition doubles with this engaging, hands-on Montessori-inspired math resource. Designed for early learners, this material uses the familiar Montessori Math Colored Beads color system to reinforce number recognition, patterning, and foundational addition skills. Perfect for classrooms, homeschool environments, and Montessori settings, these interactive activities help childre
1st
Arithmetic, Basic Operations, Math
CCSS
1.OA.A.1
, 1.OA.A.2
, 1.OA.B.3
+3
Kaprekar's Constant: An Engaging Exploration in Subtraction
Are you looking for a way to have students practice a basic skill without boring them? This exploration of Kaprekar’s Constant will do the trick. Students will practice subtracting numbers with regrouping as they search for a magical number!
The lesson includes detailed instructions, activity masters, journal prompts, homework, answer key, and ideas for extensions.
4th - 7th
Arithmetic, Basic Operations, Numbers
CCSS
4.NBT.B.4
Maths: Adding to numbers up to 9999
Combining a passion for adding numbers up to 9999 with the excitement of deciphering a secret code creates an engaging activity for curious children. This approach connects math with English and History, making learning more interactive and fun.
3rd - 5th
Arithmetic
Subtraction of Tens
These Montessori-inspired golden bead subtraction task cards can be used in the classroom with the physical golden beads, or without the beads, such as for homeschooling use. (Homeschoolers may be interested in my printable golden beads.) These cards provide a multi-sensory way to teach subtraction by ten. What's Included:4 sheets of 15 cards featuring subtraction of tens, quantities 10 through 90 only. Full colorBlack and white1 sheet of Tens Number Cards Two styles of recording paper for stud
K - 1st
Arithmetic, Math
CCSS
1.NBT.B.2a
, 1.NBT.B.2c
, 1.NBT.C.5
+1
Static Addition with Golden Beads Montessori
You can use these cards when teaching static and dynamic addition with the Montessori Golden Bead material. Each place value is color-coded just the same as the small or large number cards. They can be made double-sided with the answer printed on the back, or answer keys can be printed separately. Blank addition templates are included for student copywork. The solid red lined cards indicate a static equation, while the double lined cards indicate dynamic, so it is easy to tell at a glance which
K - 1st
Arithmetic, Basic Operations, Math
CCSS
K.OA.A.1
, K.OA.A.4
Also included in: Math Four Operations Command Cards
Printable Montessori Bead Houses
Use this simple printable to teach the commutative property of addition! Simply print the pages on cardstock (or printer paper and laminate). The houses are color coded according to the bead stair colors, and the numbers at the top are meant to be traced.
PreK - 1st
Arithmetic, Basic Operations, Math
Addition and Subtraction to 20 Digital Activity Ten Frames 1st Grade
Build addition and subtraction fluency to 20 with this editable digital math activity! Students use ten frames and drag-and-drop sports balls to practice math facts in 1st grade. Looking for an engaging, editable digital math activity that helps students master addition and subtraction within 20—without worksheets or extra prep? This Addition & Subtraction to 20 Digital Ten Frame Activity gives 1st graders hands-on practice using virtual manipulatives that build fluency, number sense, and co
1st - 2nd
Arithmetic, Basic Operations, Math
CCSS
1.OA.A.1
, 2.OA.B.2
Grade 3 Subtraction | Number Bonds to Subtract 1-Digit from 3-Digits No Exchange
This Grade 3 subtraction pack is the second in a complete CPA-based math mastery series for Grade 3. Designed around a friendly robot guide to do a visual example of each activity, each worksheet helps children understand how to use number bonds to subtract 1-digit numbers from 3-digit numbers without exchange. Students learn that if 4-1=3, then 254-1=253, using base ten blocks, place value arrow cards, place value grids, place value abacus, and cherry diagrams to develop a secure understanding
2nd - 4th
Arithmetic, Basic Operations, Math Test Prep
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
Subtraction Montessori Method
Teachers can use these cards to come up with equations to provide students "on the fly" as it can sometimes be tricky to think of one on the spot! These subtraction task cards can help you come up with static (no regrouping) or dynamic (regrouping) equations quickly, or allow students to solve equations and check their work independently. Students can use these cards when with the Montessori Golden Beads or other math manipulatives. Each place value is color-coded just the same as the small or l
K - 2nd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.B.2a
, 1.NBT.B.2c
, 1.NBT.C.6
+4
Also included in: Math Four Operations Command Cards
Montessori Addition Worksheets- Counting Beads- Distance Learning
Three different addition worksheets that invite the child into simple addition using 'bead' counters allowing them to do addition on their own! Color in the 'beads' and then write the numerical answer on the line. A great activity for one on one or in small groups, these three sheets present different addition problems, gradually becoming more challenging and you can print and use multiple times. A great way to practice math at home, in school, and in small groups of 2-3 children at a time. Ch
PreK - 1st
Arithmetic, Math
CCSS
K.CC.B.4
Montessori Division with Golden Beads
Teaching Montessori long division is made simple using these task cards along with the golden bead material (can be purchased separately). After a child's initial presentation, teachers can use these cards to come up with equations "on the fly," as it can sometimes be tricky to think of one on the spot! These division task cards contain static (no regrouping) or dynamic (regrouping) equations, and allow students to solve equations and check their work independently. Students can use these card
K - 2nd
Arithmetic, Basic Operations, Math
Also included in: Math Four Operations Command Cards
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
Grading Guide for Students with IEPs
Make grading easier, faster, and more consistent for students with IEPs in your math classroom! This resource provides teachers with clear guidance on how to grade students with individualized education plans, ensuring that accommodations and modifications are applied fairly and effectively. With this resource, you can: Streamline grading while maintaining consistency across students with different learning needs Clarify expectations for yourself and your students Ensure compliance with IEP ac
5th - 8th
Arithmetic, Basic Operations, Other (Math)
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