Debug Algorithm
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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
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
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
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
Addition Within 100 (with and without regrouping)
This resource helps students learn and practise the addition algorithm with regrouping in a clear and structured way. The worksheets guide students step by step through the addition process, helping them understand how to line up numbers correctly and how to carry when the total is 10 or more. The exercises progress from easier questions to more challenging ones, allowing students to build confidence and accuracy. This resource is suitable for Year 2–Year 4 students and can be used for classro
K - 3rd
Arithmetic, Basic Operations
Interactive Math Mats (Multiplication) K-5
Interactive math mats can be used for introducing multiplication algorithms, for interactive journals, centers, or for students needing graphic organizers when setting up multiplication problems. Multiplication pack include lattice multiplication, area model multiplication, and standard algorithm multiplication, all include 3x1 digit, 4x1 digit, 2x2 digit, and 2x3 digit.
K - 6th
Arithmetic, Basic Operations, Math
Adding & Subtracting in Chunks (M4P.E20)
This 'new strategy' for subtraction may look different than the standard algorithm, but this one-page notes worksheet attempts to make this concept understandable by understanding how to flexibly work to divide a number by determining how many groups there are of the divisor. It is a part of a series of resources created to accompany the book, Math for Parents: Elementary Edition. Find more resources here on TPT, or on my website @ flippinmath.com.
K - 2nd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
Also included in: Math for Parents: Elementary Edition
Regrouping Templates – 2, 3, and 4 Digit Addition & Subtraction
Regrouping Templates – 2, 3, and 4 Digit Addition & SubtractionMastering the standard algorithm for addition and subtraction can be tricky—but these visual templates make it easier for students to understand and organize their work! This resource includes anchor chart templates for 2-digit, 3-digit, and 4-digit problems. Each template breaks down the process into clear steps with:✔️ Place value columns (ones, tens, hundreds, thousands) ✔️ Space for regrouping or carrying ✔️ A clean, structured l
PreK - 3rd
Applied Math, Arithmetic, Other (Math)
Valentine’s Day Regrouping Template for 2 - 3 -4 Digit Addition or Subtraction
Valentine’s Day Regrouping Template for 2 - 3 -4 Digit Addition or Subtraction The standard algorithm for addition and subtraction is a fundamental skill that students must learn. However, we know teaching and mastering this skill can be tricky! To make the process easier, these anchor chart templates have been created for 2 digit, 3 digit, and 4 digit addition and subtraction. The anchor chart templates provide a visual representation of the steps involved in the standard algorithm. The templat
K - 2nd
Applied Math, Arithmetic, Other (Math)
MATHFACT FAMILIES (CPA)FREEBIE
Please follow us on TPT!!
This is a concrete way to show part-part whole using any kind of manipulatives. Pictorial helps students visualize, and bonding bridges the gap to the algorithm.
Bonding also helps students see the different fact families.
Why Bonding?
*Builds on fact families so the students can make sense of number combinations and become fluent.
*Helps students compose and decompose numbers.
PLEASE! Be sure to rate this product and provide feedback to earn TpT credits good towa
K - 3rd
Arithmetic, Basic Operations, Numbers
CCSS
3.NBT.A.2
, 1.OA.B.3
, 1.OA.C.6
+3
Double Digit Subtraction Strategies
Here are 5 posters to display in your classroom as you learn math strategies for double digit subtraction. Strategies include: base 10, hundreds chart, number line, keep one number whole, and the standard algorithm. Use these along with my double digit addition strategy posters!
K - 3rd
Arithmetic, Basic Operations, Place Value
CCSS
2.NBT.B.5
, 2.NBT.B.6
, 2.NBT.B.7
+7
Ways to Make a Ten / Friends of Ten – Boom Cards
This is a set of Ways to Make Ten digital task cards that allows students to work with the Friends of Ten in an engaging, fun way. Students will use missing addends and missing subtrahend algorithms to solve the problems. Check out this set that could be used to introduce this concept. Each slide has a voice recording for students who have difficulty reading. There is also a video recording of the directions for the addition and for the subtraction task cards. There are 24 task cards in a
K - 2nd
Arithmetic, Basic Operations, Math
CCSS
K.OA.A.4
, 1.OA.C.6
Also included in: Bundle: Make a Ten & What's Missing – Boom Cards
Pre-Filled SINGLE DIGIT Addition Subtraction Grid Paper Practice 50+ pages!
COLORFUL, PRE-FILLED, Single-Digit Addition & Subtraction Grid Paper WorksheetsDownload my pre-filled, single-digit addition & subtraction grid paper worksheets. Perfect for grades 1-4 to enhance math skills using the vertical standard algorithm. Learn progressively, starting with #'s 0-9, then number bonds, doubles, near doubles, and lastly to missing addends and subtrahends. **52 individual printable worksheets, or print 26 double-sided worksheets**PDF DownloadPRINT 8.5"x11" in color or graysc
K - 3rd
Arithmetic, Basic Operations, Math
CCSS
K.OA.A.1
, K.OA.A.2
, K.OA.A.3
+9
Additive Strategies – Sequence of Learning (NSW Curriculum)
This resource is a clear, structured reference guide for teachers outlining the developmental progression of additive strategies from Early Stage 1 to Stage 3, aligned to the NSW Mathematics curriculum. Rather than isolated strategies or lesson ideas, this document maps how additive thinking develops over time, showing the conceptual links between counting, part–whole understanding, equality, mental strategies, written algorithms, and problem solving. It is designed to support professional learn
K - 7th
Arithmetic, Basic Operations, Numbers
1st Grade Math Story Problems on Addition and Subtraction within 20
Give your students a head start with story or word problems now. Your students are proficient in math facts but flounder when faced with story problems especially more complex ones. This set of 24 worksheets contains only scaffolded story or word problems. It is designed to assist students who are weak in story problems or are unable to make sense of addition and subtraction beyond executing the algorithm or procedure. It supplements my "weeklies" worksheets but can also be used as a standalone
K - 2nd
Arithmetic, Basic Operations, Other (Math)
Construction Math - Grade One Addition and Subtraction to 20 Worksheets
Construction Math - Addition and Subtraction to 20 Worksheets This is a fun set of 3 worksheets I made for my boy who likes trucks and diggers and vechicles. There are 3 no prep black and white printables, they are all varied so there is a lot of fun to be had. See below for more details. Addition to 20 - use the pictures of help you add. Addition to 20 - vertical algorithms road sign themed Subtraction to 20 - there is a numberline provided to help you add. These resources can be used in a var
K - 2nd
Arithmetic, Math, Numbers
CCSS
1.OA.A.1
, 1.OA.C.6
Vegetable & Fruit Subtraction within 10 | Math Drills with Number Line
Fun and Visual Subtraction Practice for Early Learners! 🥦🍎 Help your students master basic subtraction facts with these engaging Vegetable & Fruit Subtraction Drills. Designed specifically for Kindergarten and 1st-grade students, this resource focuses purely on subtraction within 10, making it the perfect tool for building early math fluency without overwhelming young learners. What’s Included?Horizontal Subtraction Pages: Helps students read and solve equations from left to right.Vertical S
K - 2nd
Arithmetic, Basic Operations
Kindergarten, First Grade Addition Strategies Unit for Place Value Tens and Ones
Are you looking for place value addition strategies lessons for kindergarten or first grade? Build a solid mathematics foundations with this addition unit that follows the research-based CPA Approach (Concrete—Pictorial—Abstract). Students will move from hands-on activities to more abstract activities as they learn about Place Value in 2 Digit Numbers, Even and Odd, Expanded Form, and 2 Digit Addition Using the Strategies of Place Value Blocks, Expanded Form, and the Traditional Algorithm. This
K - 1st
Arithmetic, Basic Operations, Math
Beginning Addition / Part Part Whole Activities Conceptual Math
Have You Tried Constructivist Math Bro? Rethink Math instruction. What if students could gain a deeper understanding of number relationships without the drills or endless worksheets? Is there a way for students to actually enjoy math instruction, and learn? Is it time to rethink traditional math instruction? YES!! Allow students to actually explore math and numbers in a way that will help them SEE the way numbers work and gain an understanding that will build a foundation that will enable you
PreK - 1st
Arithmetic, Math, Mental Math
CCSS
K.CC.A.3
, K.CC.B.4
, K.CC.B.4a
+8
Also included in: Number Sense Beginning Math Bundle!!!
Beginning Addition / Part Part Whole Activities FREEBIE!!! Conceptual Math
Have You Tried Constructivist Math Bro? Rethink Math instruction. What if students could gain a deeper understanding of number relationships without the drills or endless worksheets? Is there a way for students to actually enjoy math instruction, and learn? Is it time to rethink traditional math instruction? YES!! Allow students to actually explore math and numbers in a way that will help them SEE the way numbers work and gain an understanding that will build a foundation that will enable you to
PreK - 1st
Arithmetic, Math, Mental Math
CCSS
K.CC.A.2
, K.CC.A.3
, K.CC.B.4
+8
Addition and Subtraction Fluency Practice K-3 - Printable PDF - Elementary Math
This PDF contains over 150 pages for print or digital learning. Save time and money with this versatile resource! Key features include:71 addition & subtraction sheets71 answer keys for quick and easy gradingEasily printed in black & whiteFluency practice with single-digit numbersMulti-digit practice pagesVersatility - use for review, extra practice, assessments, math centers, homework, and more!This resource covers math standards regarding addition and subtraction from kindergarten to third gra
K - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.5
, 3.NBT.A.2
, K.OA.A.1
+4
Digital Escape Room 2 Digit Addition with Regrouping Back To School Boom Cards
BACK TO SCHOOL 2 DIGIT ADDITION WITH REGROUPING DIGITAL ESCAPE ROOM BOOM CARDS DISTANCE LEARNING In this classroom themed DIGITAL GAME, students solve the ADDITION PROBLEMS by entering the correct answer into the spaces provided, after each 5 questions, they unlock the next set, for a total of 25 questions. Once completed they will escape the “classroom” and celebrate with animated fireworks. This DIGITAL ESCAPE ROOM is a great way to practice ADDITION FACTS, number sense and build their num
K - 4th
Arithmetic, Math
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