Debug Algorithm
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Addition and Subtraction with Regrouping Tens Ones Hundreds Standard Algorithm
This is a set of two resources that work together to teach students the procedure of regrouping. They will gain understanding of the standard algorithm by relating it to place value. Includes: PostersMini BooksWorksheetsThe posters focus on tens and ones. The mini books and worksheets include hundreds. These materials are designed to teach HOW to regroup and what it means. They are best suited for students just learning the standard algorithm or for those needing remediation on this skill.
2nd - 4th
Basic Operations, Math, Place Value
CCSS
2.NBT.B.7
, 2.NBT.B.8
, 3.NBT.A.2
+1
2 Digit Subtraction with Regrouping Using the Standard Algorithm
This Google Classroom Resource works well for Distance Learning. Are your 2nd graders learning to subtract two digit numbers? This interactive Google Slides digital resource makes subtracting fun. Students simply drag numbers to answer two digit subtraction problems. They can drag a slash to show their work when borrowing. The directions are given in a gif which shows students exactly what to do. (See the preview video as an example.) An editable Early Finishers slide links students to online
2nd
Basic Operations, Place Value
CCSS
2.NBT.B.5
, 2.NBT.B.7
2 Digit Addition with Regrouping Using the Standard Algorithm Distance Learning
Are your 2nd graders learning to add two digit numbers? This interactive Google Slides digital resource makes addition fun. Students simply drag numbers to answer two digit addition problems. The directions are given in a gif which shows students exactly what to do. (See the preview video as an example.) An editable Early Finishers slide links students to online games to continue practicing the skill. Answer Keys IncludedThis resource is part of a bundle that contains 8 digital resources for
2nd
Basic Operations, Place Value
CCSS
2.NBT.B.5
, 2.NBT.B.7
Vertical Algorithm Mats
Looking for an engaging, play-based way to reinforce vertical addition and subtraction in your classroom? Vertical Algorithm Mats turn traditional algorithm practice into a game, making learning interactive and fun! How It Works:Roll a Dice or Spin a Spinner – Generate numbers randomly to fill in the rainbow-coloured squares.Choose Your Operation – Decide whether to add or subtract.Solve the Algorithm – Complete the vertical calculations to find the correct answers!What’s Included?This printabl
2nd - 6th
Basic Operations, Mental Math, Place Value
Subtraction within 100 Standard Algorithm 2nd Grade Math Mini Lesson - 2.NBT.B.5
This digital math subtraction with 2-digit numbers mini lesson and activities for Google Slides is perfect for classroom & distance learning. This resource includes five days of mini lessons on subtracting two-digit numbers with and without borrowing by using the standard algorithm. The resource aligns with CCCSS 2.NBT.B.5. The resource features lessons that utilize interactive multimedia, songs and videos, practice questions, anchor charts, exploration, puzzles, and collaboration. Features:⭐️
2nd
Basic Operations, Math, Place Value
CCSS
2.NBT.B.5
Adding to 100 Standard Algorithm - 2nd Grade Math Digital Mini Lesson 2.NBT.B.5
This digital math adding to 100 using the standard algorithm mini lesson and activities for Google Slides are perfect for classroom & distance learning. This resource includes five days of mini lessons on adding two digit numbers up to 100 by using the standard algorithm as an addition and regrouping strategy. The resource aligns to CCCSS 2.NBT.B.5. The resource features lessons that utilize interactive multimedia, songs and videos, practice questions, anchor charts, exploration, and collabora
2nd
Basic Operations, Math, Place Value
CCSS
2.NBT.B.5
Using the Algorithm for Double Digit Subtraction Slideshow {CCSS}
Your students will enjoy and benefit from this introduction to the concept of the using the traditional algorithm for adding and subtracting double-digit numbers, without regrouping. To see a quick video preview of this slideshow, visit this link on YouTube: http://youtu.be/1248jbh3b18 {{{Just copy and paste the link or download the preview file for a direct link.}}} This animated learning tool can be viewed on a projection screen, interactive whiteboard or Smart Board, or on a computer sc
2nd - 4th
Basic Operations, Math, Place Value
2nd Grade Add & Subtract Algorithm Anchor Charts | Math Posters | TEKS Aligned
Build strong number sense foundations with these bright, engaging, and student-friendly anchor charts! These Mighty Math Minds™ Unit 7: Addition and Subtraction with Algorithm Anchor Charts are designed to support 2nd grade learners as they explore adding and subtracting in a visual and meaningful way. Perfect for:⭐ Math walls ⭐ Small groups ⭐ Whole-group instruction ⭐ Interactive notebooks ⭐ Intervention support ⭐ Independent review These anchor charts use kid-friendly visuals, clear mathemati
2nd
Basic Operations, Numbers, Place Value
3 Digit Addition with Regrouping Unit | Expanded Form & Standard Algorithm | Les
3 Digit Addition with Regrouping Unit | Expanded Form & Standard AlgorithmSave planning time with this ready-to-teach 3-digit addition unit. Designed for classroom teachers, intervention teachers, tutors, and homeschooling families, this resource includes animated teaching slides, worksheets, answer keys, and reusable templates.The unit progresses from addition without regrouping to regrouping in one and two place value columns before introducing the standard algorithm. Teaching slides guide eac
2nd - 4th
Basic Operations, Place Value
Standard Algorithm Multiplication Worksheets Bundle | 2-Digit, 3-Digit & 4-Digit
Strengthen multiplication skills with this comprehensive Standard Algorithm Multiplication Worksheets Bundle, designed for Grade 4 math learners. This bundle focuses on building accuracy and confidence when multiplying 2-digit, 3-digit, and 4-digit numbers by 1-digit and 2-digit numbers using the standard algorithm. With clear directions, structured layouts, and plenty of practice space, these worksheets are perfect for helping students master multi-digit multiplication step by step. This no
2nd - 4th
Arithmetic, Basic Operations, Place Value
CCSS
4.NBT.B.5
, 5.NBT.B.5
Total Math Unit 5 Add and Subtract With Algorithms Hands-On Math 2nd Grade
Unit 5 has 15 hands-on math centers for 2nd Grade focusing on adding and subtracting two-digit and three-digit numbers using algorithms. Students LOVE these highly-engaging stations and the variety of activities. These stations are aligned to the Lessons in Total Math but can be used as stations for any curriculum. Every hands-on math game has a title page with teacher directions and images of how to do the activity for students to reference, game or activity cards, work mats, gameboards, and a
2nd
Math, Place Value
CCSS
2.NBT.B.6
, 2.OA.A.1
Also included in: Total Math Hands-On Math Center Bundle 2nd Grade Stations
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
3-Digit Subtraction Worksheets With & Without Borrowing | Standard Algorithm
⭐ Help students build confidence and accuracy with subtraction using this engaging 3-Digit Subtraction Worksheets Pack – With & Without Borrowing! This printable resource is designed to strengthen place value understanding and support mastery of the standard algorithm through structured, scaffolded practice. Students begin with subtraction problems without borrowing to develop fluency, then progress to borrowing strategies, and finally apply skills through mixed practice pages for deeper un
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.7
, 2.NBT.B.9
, 3.NBT.A.2
3-Digit Addition Worksheets With & Without Regrouping | Standard Algorithm
⭐ Help your students build strong addition skills and confidence with this 3-Digit Addition Worksheets Pack – With & Without Regrouping! This resource is designed to support math fluency through structured practice using the standard algorithm, making it perfect for 2nd–3rd Grade classrooms. With a balanced mix of regrouping, non-regrouping, and mixed practice pages, students can gradually develop mastery while strengthening place value understanding and accuracy within 1,000. Ideal for dail
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.7
, 2.NBT.B.9
, 3.NBT.A.2
Addition Within 100 Standard Algorithm | Small Group Math Intervention Unit
First Grade students are responsible for adding within 100 as a means of understanding and applying place value concepts. This small group math unit focuses on adding 2 digit numbers to 1 digit numbers in cases where a new ten is and is not created. Click HERE to save on the full year intervention lesson bundle. This comprehensive bundle includes all of your intervention instruction, assessment and independent practice for the entire school year! Strategies to add will begin by using the known
1st - 2nd
Basic Operations, Math, Place Value
CCSS
1.NBT.B.2
, 1.NBT.B.3
Addition & Subtraction Templates for Vertical Form and Standard Algorithm
If you want a math template to support your math instruction, look no further! These work mats include… 10 work mats and student reproduciblesPicture model with vertical form and partial sumsDifferentiated options depending on student support need20 pages totalThese work mats are great for… Scaffolded whole group instructionGuided practice and small group instruction Independent practice scrap paperProviding more space for student work than what curriculum pages often provideSupplementing lesso
1st - 4th
Basic Operations, Mental Math, Place Value
CCSS
1.NBT.C.4
, 1.NBT.C.6
, 2.NBT.A.1
+8
Double Digit Standard Algorithm Addition No Regrouping 1st Grade Math Task Cards
🚀 Add Up, Up, and Away – Vertical Addition Task Cards (No Regrouping)Blast off into two-digit addition practice with this engaging space-themed task card set! Add Up, Up, and Away task cards give students structured vertical addition practice without regrouping — helping them practice proper number alignment, strengthen place value understanding, and build addition fluency with confidence. 🖨️ Print & Go!Print, cut, and laminate for a reusable math center! Students can solve using dry erase ma
1st - 3rd
Basic Operations, Numbers, Place Value
CCSS
1.NBT.C.4
, 1.NBT.C.5
, 2.NBT.B.5
3rd Grade Math Number Talks Addition Subtraction Strategies Algorithms Problems
These digital 3rd grade number talk slides contain everything you need to cover the 3rd grade addition & subtraction common core Numbers and Base 10 math standard easily and progressively. With 802 digital addition & subtraction Number Talk slides (with a print option, for those who want it), your 3rd grade number talks will build strong conceptual understanding of addition & subtraction within 1000, focusing on the following knowledge & skills: Addition & subtraction with and without reg
2nd - 3rd
Basic Operations, Mental Math, Place Value
CCSS
3.NBT.A.2
3-Digit Addition (With & Without Regrouping) | Standard Algorithm Worksheets
⭐ Make 3-digit addition simple, structured, and engaging for your students! This 3-Digit Addition Worksheets Bundle helps learners build confidence using the standard algorithm, with a clear progression from basic to more advanced skills. Students will practice both addition without regrouping and with regrouping, allowing them to develop accuracy, place value understanding, and problem-solving skills step by step. 🎯 Objectives / Skills Covered: ✔ Adding 3-digit numbers without regroupi
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.7
, 2.NBT.B.9
, 3.NBT.A.2
3-Digit Subtraction Worksheets With & Without Borrowing | Standard Algorithm
⭐ Make subtraction practice simple, structured, and engaging! Help students master 3-digit subtraction with confidence using clear, scaffolded worksheets. This comprehensive 3-Digit Subtraction Worksheets Bundle is designed to help students build strong subtraction skills using the standard algorithm. With a balanced mix of without borrowing, with borrowing, and mixed practice, this resource supports learners at every level. Students will progress from basic subtraction (no regrouping) to
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.7
, 2.NBT.B.9
, 3.NBT.A.2
End-of-Year Classroom Reset Slides K–2 | Classroom Debug Lab
🚨 CLASSROOM DEBUG LAB: END-OF-YEAR RESET SLIDES 🚨 Your class does not need more noise right now — it needs a calm, clever, and structured reset. Classroom Debug Lab helps K–2 students rebuild routines, strengthen listening skills, practice self-regulation, and spiral review core academic concepts in ONE cohesive slide deck. Designed for late-May and end-of-year survival mode, this premium static slide deck blends classroom management + spiral review + stamina repair into a polished teacher-led
K - 2nd
Classroom Community, Place Value, Reading Strategies
3-Digit Subtraction Worksheets (With & Without Borrowing) | Standard Algorithm
⭐ Help students build strong subtraction skills with this 3-Digit Subtraction Worksheets Pack designed to reinforce subtraction using the standard algorithm. This resource provides structured practice for students learning how to subtract three-digit numbers with and without borrowing (regrouping). The worksheets guide students through the subtraction process step-by-step while using place value alignment to solve problems accurately. Students will practice subtracting 3-digit numbers while
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.7
, 2.NBT.B.9
, 3.NBT.A.2
3-Digit Addition Worksheets (With & Without Regrouping) | Standard Algorithm
⭐ Help students build strong addition skills with this 3-Digit Addition Worksheets pack featuring both with and without regrouping problems. This resource is perfect for helping students practice place value understanding and the standard algorithm for addition. Students will solve a variety of three-digit addition problems, progressing from no regrouping to regrouping, allowing them to build confidence step-by-step. Each worksheet includes organized grid spaces for the standard algorithm,
2nd - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.7
, 2.NBT.B.9
, 3.NBT.A.2
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
Showing 1-24 of 570+ results
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