Debug Algorithm
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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
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
Partial Sums Addition Lesson
This slideshow will walk students step-by-step through the partial sums algorithm. It’s perfect for first and second graders who have practiced adding with base-ten blocks and are ready to move to a deeper understanding of adding multi-digit numbers without using manipulatives! Make sure your students have a thorough understanding of expanded form prior to using this slideshow.
1st - 3rd
Basic Operations, Math, Place Value
CCSS
2.NBT.A.1
, 2.NBT.A.3
, 2.NBT.B.5
+1
Also included in: Partial Sums Addition Bundle
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
Subtraction- Two Digit Numbers with Common Core Strategies
Teaching Common Core Math makes sense. Teaching with meaning, without memorization. This power point has seven strategies to use with common core instruction. These methods encourage students to solve problems without the traditional algorithm. Post it on your website for parents to assist their children, use it in the classroom, print it for student as they go on vacation, they can be posters, or at a center, or even to assist with student math journals.
1st - 3rd
Basic Operations, Mental Math, Place Value
Strategies for 2-digit Subtraction
This no-prep lesson has four days of subtraction strategies. Each day has a warm-up, number talk, instruction, guided practice, independent problem, and self-reflect. Students will learn to use number lines, expanded form, and the standard algorithm.
1st - 3rd
Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 3.NBT.A.2
Three-Digit Addition Review
Use these slides as either a presentation (in person or on google classroom) or a printed handout for students to review how to add using four strategies: base ten (place value chart), number bonds, number lines, and vertical form (standard algorithm). Students can both see examples and practice using these strategies on their own. These problems do not include regrouping.
1st - 4th
Basic Operations, Math, Place Value
CCSS
2.NBT.A.1
, 2.NBT.B.5
, 2.NBT.B.6
+3
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
Double Digit Addition Without Regrouping Google Slides & PP | Distance Learning
This interactive digital resource will help your students become Better, Faster, and More Efficient at two-digit addition without regrouping. Included Activities:• 2-Digit addition with Base Ten Blocks (drag and drop). • Adding numbers in Expanded Form (fill in the blank). • Standard algorithm addition (fill in the blank). • Standard algorithm addition (drag and drop). Check out the Preview for a closer look. What's Included?• PowerPoint Version. • Google Slides Version¹. ¹ Note: When you purch
1st - 3rd
Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
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
ADDITION AND SUBTRACTION-ENGLISH
DISCOVER THE WHOLE SERIES HERE: Youtube PresentationFor the BUNDLED OFFER & Benefit from 10% OFF, please visit: www.immersionfrancophone.com Grade Levels: 1,2,3 Resource Type: Power point (60 slides) and Resource Pack for worksheets- Read Only Includes printable additional blank formatted worksheetsIdeal for: Online Teaching & In class learningDescription: With & without REGROUPING/ addition algorithm & subtraction/relative problem This Resource features the following: Slide presentation
1st - 3rd
Arithmetic, Basic Operations, Math
Kindergarten Subtraction Lesson & Math Review on Google Slides & PowerPoint
Subtraction Kindergarten Math Subtraction lessons guide students through the process of taking from a whole set of objects to find how many are left. Lessons include quick checks that provide feedback for correct and incorrect responses. The review activity is great for additional practice upon completion of the lesson. Comes on PowerPoint & Google Slides. Compatible for use in Google Classroom.**Algorithms are NOT included in this resource.**════════════════════════════Skills, Concepts, & Topic
PreK - 1st
Algebra, Basic Operations, Math
CCSS
K.CC.B.5
, K.OA.A.1
, K.OA.A.2
Also included in: Kindergarten Math BUNDLE Subtraction Numbers 0-10 Lessons and Activities
CPA Multiplication Strategy Posters | Sea Theme | Concrete Pictorial Abstract
Help students tackle multiplication with confidence using these CPA Multiplication Strategy Posters—designed to model a range of methods for understanding multiplication 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 multiplication problems—from MAB blocks and arrays to regions, and formal algorithms. Whether you're working on reg
1st - 8th
Basic Operations, Mental Math, Other (Math)
CPA Division Strategy Posters | Sea Theme | Concrete Pictorial Abstract Math
Help students tackle division with confidence using these CPA Division Strategy Posters—designed to model a range of methods for understanding division 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 division problems—from MAB blocks and length models to number lines, and formal algorithms. Whether you're working on regrouping, nu
1st - 8th
Basic Operations, Mental Math, Other (Math)
Addition and Subtraction Word Problems Math Task Cards Digital Bundle
Down on the Farm Kindergarten Math Word Problems BUNDLE This differentiated math task card bundle provides students with practice solving addition and subtraction word problems. Includes situations of putting together and taking apart. Kids will love the farm animal theme! Recording sheets are digital and printable. Comes on Google Slides and PowerPoint.════════════════════════════⚡ BUNDLE ⚡ This bundle includes the following individual resources:Addition Word Problems Set 1Addition Word Proble
PreK - 1st
Basic Operations, Math, Other (Math)
CCSS
K.OA.A.1
, K.OA.A.2
Addition and Subtraction Christmas Craft
Are your students tired of completing worksheets to show their thinking with addition and subtraction? This craft is the perfect way to allow students to do something new while also getting the practice they need. They also make the perfect bulletin board or hallway display. Need easy differentiation? This set is perfect for you. You can choose which numbers and strategies you want your students to use. Included in the product:Header Card Each gift comes 2-4 on a page. Gifts include:counting o
1st - 3rd
Basic Operations, Math
CCSS
1.NBT.C.4
, 2.NBT.B.5
, 2.NBT.B.7
+1
Dice Addition and Subtraction
Sometimes, the best activities are the most simple! This dice addition and subtraction game is a fun way to scaffold students' math skills. Students roll dice and write down the numbers, then find the sum or difference. Ample space is provided for students to check their work with a second strategy or draw a strip diagram. This EDITABLE file includes three digit, two digit, and one digit pages. Your students will love playing together, and you'll love how they build number sense as they ensure t
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
1.NBT.C.4
, 1.NBT.C.6
, 2.NBT.B.7
+1
Le labo des petits génies des maths – Cahier d’activités
Transforme la pratique des maths en une aventure passionnante ! 🧩 Le Labo des Petits Génies des Maths est une collection de fiches amusantes et éducatives conçues pour aider les enfants à s’exercer à l’addition, à la soustraction et à la résolution de problèmes à travers des labyrinthes ludiques et des activités créatives. Chaque page encourage les enfants à réfléchir, à résoudre et à explorer les nombres avec plaisir — idéal pour rendre l’apprentissage des mathématiques amusant à l
1st - 7th
Basic Operations, Calculus, Numbers
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