Debug Algorithm
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Programs & methods
Partial Sums Algorithm Tutorial PowerPoint
This is Mrs. Matthews' fun tutorial for the partial sums method for addition. The PowerPoint is repetitive and simplified so that even your struggling students will understand the algorithm. Please take a minute to check out the other items in my store.
2nd - 4th
Arithmetic, Math, Numbers
Lattice Multiplication Algorithm Tutorial
Even young children can learn how to multiply two and three-digit numbers using this Power Point tutorial. This step by step, colorful lesson will have your students multiplying in no time. Lattice multiplication is a favorite of Everyday Math classes, and students tend to prefer this algorithm.
2nd - 6th
Arithmetic, Math, Numbers
Place Value and Partial Sums Algorithm
I created and used this PowerPoint with my 2nd grade students. It focuses on Place Value- Ones, Tens, and Hundreds and the Partial Sums Algorithm. You can also download my worksheets that go with the PowerPoint!
The PowerPoint includes:
-Chart showing hundreds, tens, and ones place value
-Circle the number in the ones place
-Circle the number in the tens place
-Circle the number in the hundreds place
-Directions for a place value game with place value chart
-Examples of the partial sums algori
1st - 3rd
Basic Operations, Math, Numbers
Multiplication Algorithm: multiplying a two-digit number by a one-digit number
This PowerPoint presentation includes 10 slides that will help make learning about the multiplication algorithm easy and fun. I have broken each step down and included animation and color to make this sometimes tricky concept easy to understand. The final allows for independent student practice. This can either be done whole class or you can print it out for individualized needs. I hope this tool helps you!
2nd - 5th
Arithmetic, Math, Numbers
Expanded Algorithms to Multiply Greater Numbers
This PowerPoint presentation walks students through using expanded algorithms to multiply 1-digit by 2-digit numbers. It includes word problems to familiarize students with reading word problems on a test. There are 10 slides total. Includes brief review, explanation, examples, and ticket-out-the-door.
2nd - 5th
Math, Numbers, Other (Math)
Total Math Unit 5 Add and Subtract With Algorithms Number Fluency 2nd Grade
15 Number Fluency Slides for Second Grade Skip Counting Standards Number Fluency is fluidity and flexibility with counting and skip-counting numbers. The ease and ability to mentally count and compute with minimal energy. This unit focuses on oral counting exercises to promote the counting standards. Number Fluency is a part of the Total Math daily lessons, but these digital slides can also be used with any math program. This digital resource is a PowerPoint file that can be used with Micros
2nd
Math, Numbers, Place Value
CCSS
2.NBT.A.1
, 2.NBT.A.1a
, 2.NBT.A.1b
+2
Subtraction Algorithm Exploration
This worksheet helps students explore different approaches to subtracting numbers with multiple place values (regrouping). It is Jack Sparrow themed and I always make my kids speak pirate during the lesson. At the bottom of the sections are hand signals to give you ideas about motions that you can use to accompany chants. Enjoy! This item has been reloaded in both PDF and Word format.
2nd - 5th
Arithmetic, Numbers, Place Value
Teaching the Standard Algorithm!
This powerpoint is interactive and color coded. It helps teach the standard algorithm, with not just digits but an understanding that that digit in a specific place value has a worth/value. Example: the digit 7 in the tens place is worth 70. I want the students to have an understanding when they add and a true number sense, and not just go through the motions. There are place value charts, pictures, place value discs, and color coding to help the students understand how to add two and three digi
K - 2nd
Basic Operations, Math, Numbers
Place Value Sheet
Have the students learn to do the algorithm with this sheet/mat. They can build their number and write the algorithm along side it.
1st - 4th
Numbers, Order of Operations, Place Value
2 Digit Subtraction With Regrouping-Digital Interactive Math Review
Digital Interactive Slides Designed for Google Classroom! Your students will practice 2 digit subtraction using the standard algorithm. This game includes 30 interactive slides! You can easily upload the Google Slides format of this game to Google Classroom, so your students can each have their own copy. . . Two FormatsPowerPoint Google Slides (The link is included in the PowerPoint) What's Included30 INTERACTIVE SLIDES Instructions and example of how to drag number tiles. Skills2 Digit Subtra
1st - 3rd
Basic Operations, Math, Numbers
Dividing with 2-digit Numbers
This PowerPoint presentation is designed to walk students through the process of dividing 2-digit numbers by a 1-digit number using the division algorithm. It includes objectives, review, real-world connections, "I do, we do, you do" format, higher-order thinking questions, and an exit ticket to use as summative assessment.
2nd - 5th
Basic Operations, Math, Numbers
CGI- Strategy Practice for Addition
After teaching 2nd grade for several years, I observed that my students were confusing the following strategies: direct modeling, counting on, counting back, and using invented algorithms. Therefore, I created this resource to model the different strategies for students. This product is practicing addition from 1 + 2 up to 1+ 10 for the number sets 1-10.There are 90 different problems categorized in numerical order. This product can be used for direct instruction, practice, and/or assessment.
K - 3rd
Basic Operations, Math, Numbers
CCSS
2.OA.B.2
G2 Go Math Chapter 5 Subtraction Steps For Success
Allow your students to become more independent and give them the ability to self access their work using the Steps For Success Charts. Strategies for: - Standard Algorithm - Break Apart - Quick Pictures You may send students home with these help cards to help them review what was covered in class.
2nd
Math, Numbers, Other (Math)
Composing and Decomposing Whole Numbers
This Power Point presentation features more than 100 slides that use a variety of models including the base ten blocks, money, expanded expressions, expanded notations, the standard algorithm, the standard form, and the word form to help students compose and decompose whole numbers. It is rich in content vocabulary (which is highlighted for teaching purposes) and its content is backed with 15 rigorous assessment questions that can be used as student independent work or assessment. The
2nd - 5th
Numbers, Other (Math), Place Value
Adding with Regrouping
Digital version of my game "Share Out" (By Brain Gear ®). Show your students how to add and regroup in a concrete way, at the same time you work with the algorithm. The concrete game will be available soon! (Includes a board and chips with texture and braille, and the colors can be also seen by color-blind people).
1st - 4th
Math, Numbers
CCSS
3.NBT.A.2
Adding and Subtracting by Multiples of 10
One way to add and subtract mentally is to understand the role place value plays. Too often, students are taught only one way to add and subtract by using regrouping as the algorithm. While this knowledge is important, having the number sense to add and subtract two and three digit numbers (or more!) helps the student to visualize what he or she is doing when problem solving mathematically.
This set of worksheets gives a brief explanation and example of the thought process behind adding and su
1st - 4th
Arithmetic, Basic Operations, Numbers
Strategies for Adding 2-digit Numbers
This is a powerpoint lesson on "Adding 2-digit Numbers." This can be taught in three separate days. Each day has a warm-up, number talk, strategy, and practice problems. The three strategies are: number lines, expanded form, and standard algorithm.
1st - 3rd
Basic Operations, Math, Numbers
CCSS
2.NBT.B.5
, 2.NBT.B.6
, 2.NBT.B.7
Also included in: Addition Activities and Games
MULTIPLICATION TEACHING POWERPOINT
This is a 53 slide teaching power point that goes through the progression of multiplication. The power point can be split into teaching sessions or can be used by teacher for ideas. The power point begins by looking at groups and sets etc... and ends with written methods such as the grid method and compact algorithms.
1st - 5th
Basic Operations, Mental Math, Numbers
CPA Subtraction Strategy Posters | Sea Theme | Concrete Pictorial Abstract Math
Help students tackle subtraction with confidence using these CPA Subtraction Strategy Posters—designed to model a range of methods for understanding subtraction using the proven Concrete–Pictorial–Abstract approach. With a calm ocean-inspired design, these visuals make math accessible, consistent, and beautiful. This resource guides students through multiple ways to solve subtraction problems—from MAB blocks and tally marks to number lines, split strategies, and formal algorithms. Whether you'r
2nd - 8th
Basic Operations, Numbers, Other (Math)
Subtraction Game: (Just Like Me) - A Math Game for developing Number Fluency
'Subtraction Game': The subtraction game, 'Just Like Me' is a classic whole class game designed to create random groups of three. The game of covers Subtraction Doubles, Facts to 10 & Facts to 20
NB This game downloads as a Word Template so you can make your own versions of the game.
What You Need:
1 pack of 'Just Like Me' Cards
(NB these are the Ninja Algorithm Cards Included in Download)
1 class of children
Tips & Tricks:
1. You will have to reduce the deck to cater for the numbers in yo
2nd - 5th
Basic Operations, Math, Numbers
How to Use Addition and Subtraction to Solve Word Problems (Powerpoint)
Have fun and incorporate technology into your lessons by downloading this entertaining and useful PowerPoint lesson called: How to Use Addition and Subtraction to Solve Word Problems. * TEK: 3.4A: Solve with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction. * CCSS: 3.NBT.A.2: Fluently add and subtract within 1000 using strategies and algorit
1st - 4th
Math, Numbers, Other (Math)
CCSS
3.NBT.A.2
2-Digit Subtraction with Regrouping Practice | 1st Grade Math Lesson Slides
Your students will love this engaging mini-lesson all about 2-digit subtraction with regrouping, and you'll love that it's no-prep and ready to teach. Each lesson slide is meant to be projected on your whiteboard to guide short and sweet lessons about essential math concepts. Use these slides as a stand-alone lesson, or as a supplement to your existing math curriculum. Lesson Formats Included:⭐ Powerpoint ⭐ Google SlidesInside this Product is...39 no-prep slides that include:Lesson SlidesGame
1st - 2nd
Math, Numbers
CCSS
1.NBT.B.2
, 1.NBT.B.2a
, 1.NBT.B.2c
+2
Also included in: 2-Digit Addition & Subtraction | 1st Grade Math Lesson Google Slides
1st Grade 2-Digit Addition | 2-Digit Addition Using Expanded Form | Math Slides
Your students will love this engaging mini-lesson all about 2-digit addition strategies with regrouping, and you'll love that it's no-prep and ready to teach. Each lesson slide is meant to be projected on your whiteboard to guide short and sweet lessons about essential math concepts. Use these slides as a stand-alone lesson, or as a supplement to your existing math curriculum. Lesson Formats Included:⭐ Powerpoint ⭐ Google SlidesInside this Product is...58 no-prep slides that include:Lesson Sl
1st - 2nd
Math, Numbers
CCSS
1.NBT.B.2
, 1.NBT.B.2a
, 1.NBT.B.2c
+2
Also included in: 2-Digit Addition & Subtraction | 1st Grade Math Lesson Google Slides
Les Aventures du Petit Artiste-Coloriages par Numéro pour les Enfants.
Transformez l'apprentissage en une aventure haute en couleur avec ce lot de 15 fiches de Coloriage par Numéro ludiques pour les enfants ! Parfait pour les enfants en maternelle, grande section et début de cycle primaire, ce pack associe le plaisir du coloriage à l’apprentissage des chiffres, au développement de la motricité fine et à la concentration. Chaque fiche propose un thème amusant et attachant (animaux, nature, et bien plus encore !) ainsi qu’un système de notation avec trophée intég
PreK - 2nd
Coloring Pages, Numbers, Visual Arts
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