Debug Algorithm
170+ results
Filters
Grade
Subject
Format
Resource type
Standard
Theme
Language
Programs & methods
Supports
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
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)
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
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
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
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
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
Boom Cards Adding 2 Digit Numbers With & Without Regrouping Using Algorithm
Students demonstrate their knowledge of the addition algorithm and regrouping as they add 2-digit numbers. ❤️ Students determine if regrouping is required and place a 1 in the red box to show they are regrouping 10 ones to make an additional ten in the tens column. ✅ If so, they type a red 1 in the red box provided above the tens column. ✅ If not, they leave the red box blank. ✅ 20 Cards are self-checking and shuffle each time the deck is played. ✅ An interactive game for iPad, computer,
1st - 2nd
Arithmetic, Math, Numbers
CCSS
2.NBT.B.5
Subtraction Standard Algorithm with Place Value Assist
A graphic organizer that reinforces place value and regrouping for subtraction, which can be laminated or used as a scaffolding handout.
1st - 4th
Arithmetic, Basic Operations, Place Value
CCSS
1.NBT.C.6
, 2.NBT.B.5
, 2.NBT.B.7
+3
Addition with Partial Sums and Standard Algorithm
An easy-to-use guide for students struggling with keeping their addition algorithm in line, this sheet can be laminated or given as a guide for scaffolding.
1st - 4th
Arithmetic, Basic Operations, Place Value
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
+3
Regrouping Template for 2 - 3 - 4 Digit Addition or Subtraction
Mastering the standard algorithm for multi-digit addition and subtraction is an essential part of elementary math education. These regrouping templates are specifically designed to support students as they learn and practice adding and subtracting 2-digit, 3-digit, and 4-digit numbers using clear, structured layouts. Each template serves as an anchor chart that visually breaks down the process of addition or subtraction. With dedicated columns for ones, tens, hundreds, and thousands, students ca
1st - 6th
Arithmetic, Basic Operations, Order of Operations
two-digit addition and subtraction using multiple methods
Without the use of algorithms, this 4 week unit systematically introduces two-digit addition with regrouping (week 1), and two-digit subtraction with regrouping to (weeks 2 and 3). Week 4 has five two-page reviews of the previous 3 weeks. Each two-page lesson is organized to include multiple methods: number lines, strip diagrams, drawings of ones and tens, and expanded form. An addition test and a subtraction test is included for your convenience. This unit uses Texas process TEKS 2.1B,C,D,E,
1st - 3rd
Arithmetic, Math Test Prep, Place Value
Find the Missing Number (2 digits)
This products contains 24 algorithms with a missing addend. Each card can be cut and pasted to file folder or simply put into a ziplock bag for students to sort.
Questions regarding this product or any other product in my store, can be sent to:
sra.proudfoot@gmail.com
1st - 2nd
Arithmetic, Spanish
Two-Digit Multiplication Practice
Multiplication practice sheet with algorithm reminders in the form of placement graphics to help students remember the steps and help the student to study wonderfully. To request more, please contact us https://www.teacherspayteachers.com/Store/The-Strong-Professor
PreK - 2nd, Adult Education
Arithmetic, Basic Operations, Math
Subtraction test
Subtraction test using number line and algorithms. Word problems are also included.
1st - 3rd
Arithmetic, Basic Operations
Multiplying Integers
Multiplying Integers Multiply the integers using the standard algorithm
1st - 3rd
Arithmetic, Math, Mental Math
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