Debug Algorithm
26+ results
Filters
Grade
Subject
Format
Resource type
Standard
Programs & methods
2 & 3-Digit Addition & Subtraction Word Problems Written Algorithm & Regrouping
Looking for a purposeful way to help students tackle multi-digit addition and subtraction with confidence using the standard written algorithm? This resource is designed to explicitly teach students how to solve addition and subtraction problems using clear, structured written algorithms. Students are supported to correctly set out calculations, align place value columns and apply regrouping step by step to reach accurate solutions. HOW YOU CAN USE THIS RESOURCE:🌿 Explicitly teach and reinforce
3rd - 4th
Basic Operations, Numbers, Other (Math)
Multiplication Strategy Posters: Algorithm, Area Model, Partial Products, & More
Help your upper elementary students master multiplication with this strategy poster showcasing five different multiplication strategies! This resource makes it easy for students to understand and apply multiple approaches to solving multiplication problems. It’s ideal for: Visual learners who benefit from clear, organized examples Reinforcing strategies during whole-class instruction, small groups, or independent work Math centers, anchor charts, or student reference walls What’s included: 2-
3rd - 5th
Basic Operations
Division Strategy Posters: Algorithm, Ratio Table, Loops & Groups, & More!
Make division concepts clear and accessible for your upper elementary students! This resource features five different division strategies, complete with examples, so students can see multiple ways to approach division problems. It’s perfect for: Visual learners who benefit from clear, organized examples Reinforcing strategies during classroom instruction or independent practice Math centers, small groups, or student reference charts What’s included: 2-sided poster (ready to print and display)
3rd - 5th
Basic Operations
Multi-Digit Addition and Subtraction Halloween Word Problems
Give your students more practice using the standard algorithm to add and subtract multi-digit whole numbers with these fun Fall and Halloween themed task cards. This activity is easy to prep and will keep your kids engaged during the chaotic week of Halloween! These task cards can be used in many ways. Here's how I used them in my classroom: Day 1: I had my students read the word problems with a partner and discuss how they would go about solving it. I'd ask, questions such as, "What do y
3rd - 5th
Basic Operations, Math, Place Value
CCSS
4.NBT.B.4
2 Digit by 1 Digit Multiplication Drill Worksheet partial product multiplication
2 Digit by 1 Digit Multiplication Drill Partial Product Multiplication Worksheets & Standard Algorithm 4th GradeSupport your students as they build strong multiplication skills with this comprehensive 2 Digit by 1 Digit Multiplication Drill worksheet pack! Designed to help learners understand and practice multiple strategies, this resource combines partial product multiplication worksheets, standard algorithm multiplication, and multiplication facts fluency practice in one engaging bundle. P
3rd - 5th
Basic Operations, Mental Math, Numbers
CCSS
3.NBT.A.3
, 4.NBT.B.5
Addition Subtraction Multiplication Division Common Core Standards Bundle 3rd
If you have been looking for math practice that goes beyond just practicing algorithms, you've come to the right place! The Basic Operations Choice Board Bundle is filled with engaging, open-ended activities that will have your students applying their math knowledge in new and unique ways. This resource is aligned to CCSS. Click here for a bundle aligned to the Florida B.E.S.T. Standards!Take a closer look at this resource by clicking on the PREVIEWS and IMAGES above!WHY CHOICE BOARDS?Choice b
2nd - 5th
Basic Operations, Math, Other (Math)
2-Digit Subtraction Bookmark Checklist
Students struggling to remember the rules and steps of subtracting using the standard algorithm with or without regrouping? Use either detailed, step-by-step 2-digit subtraction checklist to help! Print on any colored paper or cardstock and laminate them for future use and add them to a ring of checklists for students to refer back to when needed! **Visit my other growing step-by-step checklist resources to add to your students' growing ring of checklists!** Please leave feedback or suggestions
1st - 4th
Arithmetic, Basic Operations, Place Value
CCSS
1.NBT.C.6
, 2.NBT.B.5
, 2.NBT.B.7
+6
2-Digit Addition Checklist Bookmark
Students struggling to remember the rules and steps of adding using the standard algorithm with or without regrouping? Use either detailed, step-by-step 2-digit addition checklist to help! Print on any colored paper or cardstock and laminate them for continued future use and add them to a ring of checklists for students to refer back to when needed! **Visit my other growing step-by-step checklist resources to add to your students' growing ring of checklists!** Please leave feedback or suggestion
1st - 4th
Arithmetic, Basic Operations, Place Value
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
+7
Addition Subtraction Multiplication Division Florida BEST Standards Bundle 3rd
If you have been looking for math practice that goes beyond just practicing algorithms, you've come to the right place! The Basic Operations Choice Board Bundle is filled with engaging, open-ended activities that will have your students applying their math knowledge in new and unique ways. This resource is aligned to the Florida B.E.S.T. Standards. Click here for a bundle aligned to CCSS!Take a closer look at this resource by clicking on the PREVIEWS and IMAGES above!WHY CHOICE BOARDS?Choice bo
2nd - 5th
Basic Operations, Math, Other (Math)
Long Division Game for 3 Digit by 1 Digit Fun Math Mystery Challenge Activity
Students practice long division with this exciting challenge to review 3-digits ÷ 1-digit division using the standard algorithm. Similar to an escape room, students solve problems and collect clues to match students with their favorite pets and foods. Confidence booster for students! HOW TO PLAY:Students solve a set of long-division problems. Correct answers reveal clues. Students keep track of clues on a Clue Tracker. Use clues to eliminate answer choices and determine which student matches w
3rd - 4th
Arithmetic, Basic Operations, Math
CCSS
4.NBT.B.6
2-Digit Addition (Vertical with Regrouping)
Practice 2-Digit vertical addition with regrouping with these digital or printable activities. 10 Google Slides with single practice problems teaching students the traditional algorithm for adding 2-digit numbers. 2 slides have 8 practice problems each. Answer keys are included for all slides. For a PDF version of this activity, click below! 2-Digit Addition (Vertical with Regrouping)
1st - 3rd
Basic Operations, Math
CCSS
2.NBT.B.5
, 2.NBT.B.6
, 2.NBT.B.7
+2
Also included in: 2 & 3-Digit Addition Bundle
2-Digit Addition (Vertical No Regrouping)
Practice 2-Digit vertical addition without regrouping with these digital or printable activities. 10 Google Slides with single practice problems teaching students the traditional algorithm for adding 2-digit numbers. 2 slides have 8 practice problems each. Answer keys are included for all slides. Check out my PDF version of this product below if Google Slides is not what you're looking for! 2-Digit Addition (Vertical No Regrouping) PDF
1st - 3rd
Basic Operations, Math
CCSS
2.NBT.B.5
, 2.NBT.B.6
, 2.NBT.B.7
+2
Also included in: 2 & 3-Digit Addition Bundle
Double-Digit Addition Math Mats
Double-Digit Addition Math Mats provide a way for your students to practice double-digit addition in four different ways: base ten manipulatives, standard algorithm, expanded form, and a number line. There is a version of each math mat that has an example, a version that is editable, and a version with a fixed background so that students can use it digitally (simply have them add text boxes). These math mats are perfect for laminating and using with dry erase markers or manipulatives in a math c
1st - 5th
Arithmetic, Basic Operations, Math
G1: VIDEO and Google Form Multiply 2x1 and Multiples
This lesson focuses on multiplying 2-digit by 1-digit numbers and introduces the concept of multiples. Students will learn two methods for solving multiplication problems. The first is the traditional algorithm, where numbers are written vertically and multiplied step by step. The second is the box method, which uses expanded form to break the numbers apart and multiply in sections. ______________________________________________________________________________________________ Video Tutorials – G
3rd - 4th
Basic Operations, Math Test Prep
CCSS
3.OA.A.3
, 3.OA.B.5
Addition & Subtraction Strategies Math Anchor Charts and Posters
Teach addition and subtraction within 10 through two digit addition and subtraction and 3 digit addition and subtraction with regrouping and without regrouping, using base ten blocks, expanded form, number line, standard algorithm, and break apart strategies on clear math anchor charts and posters. Feeling like you’re reteaching addition and subtraction… again? You introduce a strategy. Students nod along. And then five minutes later, they’re stuck. This set of addition and subtraction anchor c
K - 4th
Basic Operations, Math, Numbers
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.6
+2
4th Grade Multiplication Worksheet Pack - Printable AND Digital
Elevate your math lessons with a hint of desert magic! Dive into our 4th-grade multi-digit multiplication printables, intricately designed to blend the beauty of the desert habitat with proven strategies: area model, standard algorithm, and the captivating lattice method. Tailored for a variety of classroom scenarios, from group discussions to early bird challenges, they're your perfect companion for a stress-free teaching experience. Simply print, present, and watch the multiplication mastery u
3rd - 5th
Basic Operations, Math
CCSS
4.NBT.B.5
, 5.NBT.B.5
Adding/Subtracting with and without Regrouping (November)
This is a product I created for my students that struggled with the steps of adding and subtracting numbers with and without regrouping. Scaffold's are present to help with the early stages of learning the steps for the standard algorithm. Added are some fun Thanksgiving themed pictures for students to color when they have completed the problems. Total of 9 worksheet pages and one cover page. Plenty of practice for students.
2nd - 5th
Applied Math, Basic Operations, Place Value
CCSS
2.NBT.B.5
, 2.NBT.B.6
Pirate Multiplication Worksheets – 2Digit × 1Digit & 2Digit × 2Digit Practice
Set sail on a math adventure with this Pirate Themed Multiplication Practice! Perfect for Grades 3–4, this resource includes 20 engaging printable worksheets plus a Google Slides version to help students master multiplying 2digit × 1digit and 2digit × 2digit numbers using the standard algorithm. The fun pirate theme keeps learners motivated, while the clear, consistent layout supports accuracy and confidence. What’s Included: 10 printable worksheets for 2digit × 1digit multiplication 10 p
2nd - 4th
Basic Operations, Other (Math)
CCSS
3.NBT.A.3
, 4.NBT.B.5
3rd Grade Distributive Property of Multiplication 3.OA.5/More Practice
Practice the distributive property of multiplication with activities, worksheets, and tasks. Help your 3rd graders master this challenging concept of the distributive property of multiplication. By understanding the distributive property, students can break down more difficult facts, become adept at mental math, and easily multiply two-digit by one-digit problems without using the standard algorithm. Includes fun activities for small groups or individuals and answer key! Comes as a PDF ready to
3rd
Basic Operations, Math, Mental Math
CCSS
3.OA.B.5
Also included in: 3rd Grade Distributive Property of Multiplication 3.OA.5 Bundle
Bundle Mental Math Strategies Multiplication Visuals Properties Decomposing
Mental Math Strategies, Multiplication, Properties, Rounding,Decomposing, Doubling and halving, Multiplying by 9,11,5, Factors of 100, Grouping, Multiplying in stages, Encouraging students to look for patterns and connections in multiplication and finding quicker methods to solve problems will help them develop their mental multiplication skills and improve their number sense. Apart from the algorithm that requires splitting a number according to place value, there are many more strategies that
3rd - 7th
Basic Operations, Mental Math, Numbers
Adding & Subtracting within 1000 Fluently 3rd Grade Math 3.NBT.A.2 Worksheets
⭐ 3rd graders will practice fluently adding and subtracting within 1000 with these anchor charts, worksheets, and center game activities. These practice pages include how to add and subtract up to three-digit numbers within 1,000 using borrowing and regrouping strategies, expanded form, and subtracting across zeroes. Students will practice these skills with a variety of strategies including visuals, arrays, manipulatives, checklists, and more over multiple versions and levels of problems and gam
3rd
Basic Operations, Math, Other (Math)
CCSS
3.NBT.A.2
Subtraction With Regrouping through 1,000 - 3 digit subtraction intervention
Subtraction with regrouping (within 1,000) is a concept typically taught in third and fourth grade math classes. It is a critical skill that builds upon both subtraction fact fluency and place value understanding. Students can be taught this skill through a variety of strategies such as number lines, hundreds charts, and base 10 blocks to build conceptual understanding. The eventual goal, however, is that students will be able to fluently and efficiently solve subtraction with regrouping proble
2nd - 4th
Arithmetic, Basic Operations, Math
CCSS
3.NBT.A.2
, 4.NBT.B.4
Addition With Regrouping through 1,000 - 3 digit addition with regrouping
Addition with regrouping (within 1,000) is a concept typically taught in second and third grade math classes. It is a critical skill that builds upon both addition fact fluency and place value understanding. Students can be taught this skill through a variety of strategies such as number lines, hundreds charts, and base 10 blocks to build conceptual understanding. The eventual goal, however, is that students will be able to fluently and efficiently solve addition with grouping problems, typica
2nd - 4th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.6
, 2.NBT.B.7
, 3.NBT.A.2
![Preview of [BUNDLE] 3 Digit Subtraction With & Without Regrouping Within 1000 | Grade 3](https://ecdn.teacherspayteachers.com/cdn-cgi/image/format=avif,quality=70,width=525,height=525,onerror=redirect/thumbitem/-BUNDLE-3-Digit-Subtraction-With-Without-Regrouping-Within-1000-Grade-3-13495876-1746413890/750f-13495876-1.jpg)
[BUNDLE] 3 Digit Subtraction With & Without Regrouping Within 1000 | Grade 3
[BUNDLE]3 Digit Subtraction With & Without Regrouping Within 1000 | Grade 3-4 Worksheets & Google SlidesThis 3-Digit Subtraction BUNDLE is your go-to solution for building subtraction mastery in Grades 3–4! Whether your students are just starting out with subtraction without regrouping, ready for with regrouping, or need mixed practice, this complete collection provides everything you need in one value-packed download. With over 60 no-prep worksheets, this bundle gives your students targeted sub
3rd - 4th
Basic Operations, Numbers
CCSS
3.NBT.A.2
Showing 1-24 of 26+ results
TPT is the largest marketplace for PreK-12 resources, powered by a community of educators.
IXL family of brands