Debug Algorithm
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Subtraction to Twenty Worksheets includes crack the code, algorithms
Subtraction to 20 Worksheets – Crack the Code, Number Lines, Algorithms & More | Kindergarten–Grade 2No-Prep Printables for Building Early Subtraction FluencyThis set of 34 black-and-white, no-prep printable worksheets helps students practice subtraction within 20 using a variety of strategies, themes, and puzzles. Designed for learners who are developing the skill of counting back to subtract, these worksheets keep subtraction practice fun and engaging with visual supports, cut-and-paste activi
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
1.OA.A.1
, 2.OA.B.2
, MP1
+1
Standard Algorithm, Regrouping, Vertical Form Mini - Anchor Chart
This mini-anchor chart / poster set is a great way to introduce standard algorithm, regrouping, or vertical form during lessons, or to have posted as reference during your math centers. Enjoy! Don’t forget to rate me… and visit my blog - kearsonsclassroomblog.blogspot.com
1st - 4th
Arithmetic, Basic Operations, Math
Standard Algorithm Addition Practice Worksheets. Basic Simple Adding Activities
Here are several addition practice worksheets that would help your students learn to add numbers using a standard algorithm. These basic and simple sheets can help your kids master this skill through repetition and practice. You can use these worksheets as a review, homework, quiz, test, assessment, or practice for your students in 2nd, 3rd, and 4th grade students. The contents of this product are grouped into the following sections (folders): A. Find the Sum. The addends are aligned vertical
1st - 4th
Arithmetic, Basic Operations, Math
2 Digit Addition With Regrouping Using the Algorithm for Google Slides™ Seesaw™
Teaching double addition with regrouping during Distance Learning? This interactive digital activity is the perfect way to introduce and scaffold using the standard algorithm to add two digit numbers. Pre-loaded and ready to use with Seesaw™ and Google Slides™, students develop the conceptual understanding of how to add two addends with moveable pieces, ideal for Distance Learning, Virtual Learning, Hybid Learning, In-Person, Asynchronous and Synchronous Learning, math centers, and Homeschool.
1st - 2nd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
+3
Adding Hundreds Together Worksheets Includes Algorithms Color By Addition
Adding hundreds worksheets and printables that includes blocks and sticks. This is a set of 26 Adding Hundreds Black and White Printable Worksheets. Updated: Now included a zip with files in British (UK) and American (USA) english. The worksheets are designed to help children add hundreds, the first sheets work with counting in hundreds, then there are worksheets on adding hundreds with objects for support, finally there are pages where you add just the numbers, then fun worksheets where student
1st - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.8
, MP1
Not Your Standard Algorithm (part 2)
Not Your Standard Algorithm (part 1) is aligned with CCS 2.NBT.7 and 2.NBT.9
Students will add/subtract up to 1000.
Students will explain why addition & subtraction strategies work.
The philosophy behind the Common Core is for students to have a deeper understanding of numbers and their values. No longer is it acceptable to ONLY teach your students the standard algorithm to solve equations. Students should be taught multiple ways to solve problems that incorporate manipulatives, pictures, and m
1st - 3rd
Arithmetic, Math, Place Value
Multiplication Mat Games - Box Method, Area Model, Lattice, Standard Algorithm
Do you want to make learning Multiplication Strategies more engaging? This Multiplication Mat Games – Box Method, Area Model, Lattice, and Standard Algorithm set includes various multiplication strategies. It is perfect for Third and Fourth Grade students. These mats ensure thorough coverage of multiple techniques, catering to different learning styles and preferences. You can use it for:• Worksheet • Homework • Assessment • Center Activity File format: pdf No. of pages: 19 pages – (see
K - 2nd
Arithmetic, Math, Other (Math)
2-Digit Addition with Regrouping Worksheets - Standard Algorithm
Are your students struggling with 2-digit addition with regrouping? This "No Prep" packet is designed to help 2nd graders master the concept of carrying over with confidence. Featuring a cute Valentine's Day Truck theme, these worksheets provide clear visual cues to guide young learners through the process step-by-step. ✨ Student Benefits & Features:Visual Scaffolding: Each problem includes a specific "regrouping box" above the tens column, reminding students exactly where to carry the 1. This
PreK - 3rd
Arithmetic, Basic Operations, Other (Math)
Two Digit Addition Without Regrouping Using Standard Algorithm Digital Math
Teaching double digit addition without regrouping? These interactive adding 2-digit numbers digital math activities are no-prep and great for math centers. They are preloaded into Seesaw™ and Google Slides™ and are perfect for reviewing or introducing the standard algorithm without regrouping with 2 different activities to allow for easy differentiation and scaffolding. Ideal for digital math centers, warm-ups, homework, Distance Learning, Virtual Learning, Hybrid Learning, In-Person Lear
1st - 2nd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
+3
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
Not Your Standard Algorithm (part 1)
Not Your Standard Algorithm (part 1) is aligned with CCS 2.NBT.5 and 2.NBT.9
Students will add/subtract up to 100.
Students will explain why addition & subtraction strategies work.
The philosophy behind the Common Core is for students to have a deeper understanding of numbers and their values. No longer is it acceptable to ONLY teach your students the standard algorithm to solve equations. Students should be taught multiple ways to solve problems that incorporate manipulatives, pictures, and
1st - 3rd
Arithmetic, Math, Place Value
Standard Algorithm for Addition Poster | 4th Grade Math Anchor Chart
Make math more visual and understandable with this Standard Algorithm for Addition Poster—perfect for your classroom walls, small group instruction, or math centers! This colorful and kid-friendly poster breaks down the step-by-step process of solving addition problems using the standard algorithm, including regrouping/carrying. What's Included: Clear, simple instructions for solving addition problems Visual example of a multi-digit addition problem Helpful tips and reminders for students
1st - 8th
Arithmetic, Numbers, Order of Operations
Addition and Subtraction Mats to 1,000 and 10,000 Base Ten & Standard Algorithm
These versatile math mats help students visualize and solve addition and subtraction problems using both base ten models and the standard algorithm. Designed to strengthen understanding of place value and multi-digit operations, these mats give students a clear structure for representing, modeling, and solving problems step by step. This download includes two versions: Version 1: For numbers within 1,000 (three-digit numbers) Version 2: For numbers within 10,000 (four-digit numbers) Each mat
1st - 4th
Arithmetic, Basic Operations, Place Value
CCSS
1.NBT.A.1
, 1.NBT.B.2
, 1.NBT.B.2a
+26
Double Digit Subtraction Using the Standard Algorithm for Google Slides™ Seesaw™
Teaching double digit subtraction without regrouping during Distance Learning? This interactive subtracting 2-digit numbers digital activity is a great way to review or introduce the standard algorithm without regrouping with 3 different activities to allow for easy differentiation and scaffolding. Pre-loaded and ready to use with Seesaw™ and Google Slides™, as well as in PPT™, ideal for Distance Learning, Virtual Learning, Hybrid Learning, In-Person, Asynchronous and Synchronous Learning, M
1st - 2nd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
+3
Algorithm Posters: Addition, Subtraction, Multiplication, Division Terms
Students are constantly confusing the terminology when using different operations. What's a multiplier? What's a quotient? What's the answer in an addition algorithm called? These helpful and colorful algorithm vocabulary posters show examples of addition, subtraction, multiplication and division problems, and identify the term for each part of each type of algorithm.
A great Math resource and reference to post in the classroom!
K - 6th
Arithmetic, Basic Operations, Numbers
Subtraction Strategies Two Digit Standard Algorithm for Google Slides™ Seesaw™
Teaching double digit subtraction with regrouping? This interactive digital math activity covers subtracting 2-digit numbers using the standard algorithm to take away . Pre-loaded and ready to use with Seesaw™ and Google Slides™, students develop the conceptual understanding of how to subtract, ideal for warm-ups, homework, independent work, Distance Learning, Virtual Learning, Hybrid Learning, In-Person, Asynchronous and Synchronous Learning, math centers, and Homeschool. Save 20% by purc
1st - 2nd
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
+3
Standard Algorithm Subtraction Poster | Math Anchor Chart | Digital D
Looking for a clear, student-friendly visual to support subtraction with regrouping in your classroom? This Standard Algorithm of Subtraction Poster is the perfect math anchor chart to help your students master multi-digit subtraction using the traditional method! What’s Included: 1 Colorful Poster (Standard Algorithm Subtraction with Regrouping) Step-by-step instructions with kid-friendly language Visual examples to reinforce understanding Perfect for 4th grade (but works great for 3rd–5t
1st - 8th
Arithmetic, Numbers, Order of Operations
2-Digit Addition & Subtraction With Regrouping Task Cards, STANDARD ALGORITHM
2 Digit Addition & Subtraction With Regrouping Task CardsLet your students practice 2 digit addition and subtraction with these fun and engaging task cards. Your students will love practicing with these simple and easy to use task cards. Included are:- 32 color task cards - 32 B & W task cards - 2 different recording sheets - Answer key keywords: addition task cards, subtraction task cards, 2 digit addition with regrouping task cards, 2 digit subtraction with regrouping task cards, 2 digit addit
1st - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.5
, 2.NBT.B.6
, 2.NBT.B.7
+1
SUBTRACTION ALGORITHM - Whole Class Program - Includes Screener/Differentiation
This program contains:
PROGRAM (103 pages)
- Screener (Foundation to Year 4)
- Class Overview for easy ability grouping
- 62 Practice Cards (12 levelled algorithms on each card)
- 20 Fun Worksheets (Hidden Numbers and Riddles)
- 50 Task Cards (Word Problems)
ANSWER BOOK (103 pages)
Number Facts Screener by strategy
Poster - Subtraction Facts
The preview includes the contents pages and descriptions of the activities provided. Australian curriculum references are included for those teachers who
1st - 6th
Arithmetic, Basic Operations, Other (Math)
New Totals Below Partial Sums Algorithm Digital BOOM Cards
New Totals Below or Partial Sums Algorithm is a great strategy to use when adding multidigit numbers. Students will practice adding one place value column at a time and then add all the parts to find the total sum. This method creates easier number to work with.. This product includes an introductory slide explaining the strategy. There are 10 cards to fill in. Your students will love these highly interactive card set!
Click Here for a Preview
What is a BOOM CARD?
Boom Cards play on moder
1st - 3rd
Arithmetic, Math, Place Value
CCSS
2.NBT.B.5
ADDITION ALGORITHM - Whole Class Program - Includes Screener for Differentiation
This program contains:
PROGRAM (117 pages)
- Screener (Foundation to Year 4)
- Class Overview for easy ability grouping
- 82 Practice Cards
- 26 Fun Worksheets (Hidden Numbers and Riddles)
- 40 Task Cards (Word Problems)
ANSWER BOOK (117 pages)
Addition Number Facts screener by strategy (1 page)
Class Overview of Addition Number Facts mastery (1 page)
Posters of Addition number facts (3 pages)
The preview includes the contents pages and descriptions of the activities provided. Australian curri
1st - 5th
Arithmetic, Basic Operations, Other (Math)
Boom Cards Subtract 2 Digit Numbers With & Without Regrouping Using Algorithm
Students demonstrate their knowledge of the subtraction algorithm as they subtract 2-digit numbers with regrouping. ❤️ Students drag the regrouping marks and type the new number of ones and tens into the red boxes. ✅ Next, they subtract the columns and type their answer in the green box. ✅ 20 Cards are self-checking and shuffle each time the deck is played. ✅ An interactive game for iPad, computer, SmartBoard, or projector. ❤️ How about a Boom Cards Math Center? ❤️ Cards are self-correcting
1st - 2nd
Arithmetic, Math, Numbers
CCSS
2.NBT.B.5
Teaching Computation using strategies instead of algorithms
This is a teacher resource book that provides information about a series of strategies for all operations - addition, subtraction, multiplication and division. This resource is the culmination of many years work including with schools who have replaced the teaching of operations using algorithms completely with these strategies with very positive results in terms of student attitude, confidence and knowledge. Information provided includes background information, details of the strategies and exa
PreK - 7th, Higher Education
Arithmetic, Basic Operations, Numbers
ADDITION & SUBTRACTION ALGORITHMS - Whole Class/Differentiated - BUNDLE - 400+p
This bundle includes my addition and subtraction Intervention Programs. Both programs include a SCREENER for skill identification, an ANSWER BOOK and TASK CARDS for independent consolidation. Students can also track their own progress on individual trackers.
This is a MASTERY approach based on the work of Lev Vygotsky and the Zone of Proximal Development (ZPD). It targets the skill the student can do without help and what they need to master next. It builds on the skills they already have
1st - 6th
Arithmetic, Basic Operations, Other (Math)
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