Debug Algorithm
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Add & Subtract 2-Digit numbers with & without regrouping | Standard Algorithm
A no frills set of Worksheets providing an (almost) endless source of practicing column addition and subtraction of 2-Digit numbers, differentiated to help introduce regrouping using the standard algorithm. Addition Worksheet SetsNo regrouping Regrouping once: 2-Digit plus a 1 digit numberRegrouping twice: Two 2-Digit numbersAdding three 2-Digit numbersAdding four 2-Digit numbersSubtraction Worksheets SetsNo regroupingRegrouping - 2-Digit minus a 1-Digit numberRegrouping -Two 2-Digit numbersThi
2nd - 3rd
Basic Operations, Math, Numbers
CCSS
2.NBT.B.5
, 2.NBT.B.6
, 4.NBT.B.4
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
Elementary Math Algorithms: Explanation and Practice
Elementary Math Algorithms is your answer to the explanation of math algorithms used in grades 2-6. It contains 26 interactive slides for demonstration and practice along with links to videos for further explanation. Also, included is a math cast created by a former 5th grade student of mine explaining how to do Lattice Multiplication with Decimals. The algorithms covered include; Lattice Multiplication, Partial Products, Column Addition, Partial Sums, Trade-First Subtraction, Counting-Up, Pa
2nd - 6th
Arithmetic, Basic Operations
Three-Digit Subtraction Across Zeros (Scaffolded Regrouping) Digital Boom Cards™
Three-Digit Subtraction Across Zeros (Standard Algorithm with Regrouping) Scaffolded with a TemplateStudents will practice three-digit subtraction across zeroes (subtracting from hundreds) in this fun, summer themed activity. Students will see a three-digit minus three-digit or two-digit math sentence in the standard algorithm (vertical) form. They will fill in each box one at a time to form a three-digit or two-digit difference. Students will SHOW ALL OF THEIR WORK DIRECTLY ON THE SLIDE (incl
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
, 4.NBT.B.4
Four-Digit Subtraction Across Zeros (Scaffolded Regrouping) Digital Boom Cards™
Four-Digit Subtraction Across Zeros (Standard Algorithm with Regrouping) Scaffolded with a TemplateStudents will practice four-digit subtraction across zeroes in this fun, summer themed activity. Students will see a four-digit minus three-digit or four-digit math sentence in the standard algorithm (vertical) form. They will fill in each box one at a time to form a four- through two-digit difference.Each four-digit minuend includes 2 to 3 zeros in a row (for example, 8000, 4003, 2600).Students wi
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
, 4.NBT.B.4
Two-Digit Subtraction Across Zeros (Scaffolded Regrouping) Digital Boom Cards™
Two-Digit Subtraction Across Zeros (Standard Algorithm with Regrouping) Scaffolded with a TemplateStudents will practice two-digit subtraction across zeroes (subtracting from tens) in this fun, summer themed activity. Students will see a two-digit minus one-digit or two-digit math sentence in the standard algorithm vertical form. They will fill in each box one at a time to form a two-digit or one-digit difference. Students will SHOW ALL OF THEIR WORK DIRECTLY ON THE SLIDE (including the regro
2nd - 5th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
, 4.NBT.B.4
Add & Subtract 2- & 3-Digit Numbers with & without regrouping | 4th Grade BUNDLE
An (almost) endless source of Worksheets practicing the standard algorithm for adding and subtracting 2-Digit and 3-Digit numbers differentiated at multiple levels with and without regrouping. Print out as many unique worksheets as you need. Your students will never run short of practice. 2-Digit NumbersAddition WorksheetsNo regrouping Regrouping once - 2 Digit plus a 1 digit numberRegrouping twice -Two 2 Digit numbersAdding three 2 Digit numbersAdding four 2 Digit numbers Subtraction Worksh
2nd - 4th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.5
, 2.NBT.B.6
, 2.NBT.B.7
+1
Math Smartboard Lesson: Division with Remainders
This smartboard lesson teaches students how to divide when there are remainders. This lesson uses pictures along with an algorithm. It includes 10 slides, an essential question, and interactive student practice. This lesson correlates with the Georgia Performance Standards (GPS) for 3rd grade math.
2nd - 4th
Basic Operations, Math, Numbers
EnVision Math Lesson 3-3: Adding 3-Digit Numbers
An ActivInspire flipchart to introduce and practice EnVision Math Lesson 3-3: Adding 3-digit Numbers, using the standard algorithm.
2nd - 4th
Basic Operations, Math, Other (Math)
EnVision Math Lesson 3-4: Adding 3 or More Numbers
An ActivInspire flipchart to introduce and practice EnVision Math Lesson 3-4: Adding Three or More 3-Digit Numbers using the standard algorithm.
2nd - 4th
Basic Operations, Math, Other (Math)
Scaffolded Addition within 20 Digital Boom Cards™ (Christmas Theme)
Touch Dot Addition within 20 (Christmas Theme)Students will practice adding within 20 using touch-dots in this Christmas themed deck. --Students will see an addition equation in standard algorithm form. --Both numbers will have touch-dots to assist students in solving (by relating counting) --After solving the equation, students will type the answer in the box. Standards: 1.OA.5 Relate counting to addition and subtraction, e.g., by counting on 2 to add 2. 1.OA.6 Add and subtract within 20 1.NBT
K - 2nd
Basic Operations
CCSS
1.OA.C.5
, 1.OA.C.6
50% OFF 2 Digit Subtraction Strategies BUNDLE Boom Cards With & W/O Regrouping
Teach students a variety of strategies as they learn to subtract 2-digit numbers. These Boom Card decks are interactive as students drag base ten blocks, use a hundreds chart, use number lines, drag regrouping marks, and demonstrate how to use the algorithm correctly. ❤️ ❤️ NOTE: There are VIDEO PREVIEWS for EACH Deck in the individual product listings.❤️ 6 Interactive decks are included: ✅ 1) Subtracting 2- Digit Numbers Minus Single Digit Numbers Using the Number Line Strategy ✅
1st - 2nd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.5
50% OFF 2-Digit Addition Strategies BUNDLE for Boom Cards With & W/O Regrouping
Teach students a variety of strategies as they learn to add 2-digit numbers. These 2-digit addition Strategies Boom Card decks are interactive as students drag base ten blocks, use a hundreds chart, use number lines, and demonstrate how to use the algorithm correctly. ❤️ ❤️ NOTE: There are VIDEO PREVIEWS for EACH Deck in the individual product listings.❤️ 6 Interactive decks are included: ✅ 1) Adding 2- Digit Numbers Plus Single Digit Numbers Using the Number Line Strategy✅ 2) Adding 2-
1st - 2nd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.B.5
Teach division with decomposition (Notebook File)
Use this fantastic resource to teach kids about division by actually showing how decomposition works. The hundreds can be easily broken into ten tens. Then the tens can be broken into singles units. Clearly shows the link between dividing with concrete materials and the algorithm.
Includes ten cloned pages for ease of use during lessons.
BE SURE TO SAVE AS A READ ONLY DOCUMENT SO THE FILE CAN BE USED AGAIN AND AGAIN.
2nd - 6th
Basic Operations
Adding 2Digit Numbers Using Decomposition Grade 1 Module 6 Topic C Lesson 17
This lesson is designed for first grade Module 6 Lesson 17 Topic C of Eureka Math. The goal of this lesson is to add a pair of two-digit numbers when the ones digits have a sum greater than or equal to 10 by drawing quick tens and writing the problem in standard algorithm form. This product is part of a series that double as paperless digital lessons for the Concept Development portion of the Engage New York Eureka lessons and also has interactive Google slides for student practice. Digital st
K - 2nd
Basic Operations, Math, Mental Math
CCSS
1.NBT.A.1
, 1.NBT.B.2
, 1.NBT.B.2a
+9
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
3 Digit Subtraction Across Zeros Boom Cards
Are you looking for digital activities designed to give your students both practice and strategies to help them with subtraction across zeros? Check out these NO prep, self-checking, interactive, highly engaging, digital Boom Cards that are fun for students and a huge time saver for teachers! This Subtraction Bundle includes 2 sets of high-interest, engaging Boom Cards focused on using the standard algorithm and compensation to subtract 3-digit numbers with zeros. ★ Set 1 - 20 Digital Task
2nd - 3rd
Basic Operations, Math, Mental Math
CCSS
2.NBT.B.7
4 Digit Subtraction Across Zeros Boom Cards
Are you looking for digital activities designed to give your students both practice and strategies to help them with subtraction across zeros? Check out these NO prep, self-checking, interactive, highly engaging, digital Boom Cards that are fun for students and a huge time saver for teachers! This Subtraction Bundle includes 2 sets of high-interest, engaging Boom Cards focused on using the standard algorithm and compensation to subtract 4-digit numbers with zeros.★ Set 1 - 20 Digital Task C
2nd - 3rd
Basic Operations, Math, Mental Math
CCSS
2.NBT.B.7
, 3.NBT.A.2
Subtraction Using Tens Frames
Subtraction Tens FramesDo you have students struggling with place value and subtracting at all different levels? Do you need some support for learners who are struggling to understand how to regroup? This is the perfect resource for that! It can easily be a print and go activity, or you can print and laminate the task cards and turn this into a center. This activity is meant to help bridge the gap between understanding how to subtract with concrete manipulatives and looking at abstract standard
2nd - 4th
Basic Operations, Math, Place Value
CCSS
2.NBT.B.5
, 2.NBT.B.7
, 3.NBT.A.2
+1
Boom Card Deck*: 3 Digit Subtraction | Distance Learning | Boom Cards
*This is a BOOM DECK, please scroll down if you're not a member of BOOM LEARNING or aren't familiar with Boom Decks. These 30 Boom cards will allow students to practice 3 digit subtraction WITH regrouping. Students will drag the red line over the number that is being regrouped and then type the new number above (please note as in the example the whole new number is typed 12 not just a 1) Check out my store for 3-digit addition WITH regrouping. CCSS.MATH.CONTENT.3.NBT.A.2 Fluently add and subtrac
2nd - 4th
Basic Operations, Math
CCSS
3.NBT.A.2
Boom Card Deck*: Turkey-3 Digit Subtraction| Distance Learning | Boom Cards
*This is a BOOM DECK, please scroll down if you're not a member of BOOM LEARNING or aren't familiar with Boom Decks. Included you will find 30 Boom cards for students to practice 3 digit subtraction WITH regrouping. Students will drag the red line over the number that is being regrouped and then type the new number above (please note as in the example the whole new number is typed 12 not just a 1) Check out my store for 3-digit addition WITH regrouping. CCSS.MATH.CONTENT.3.NBT.A.2 Fluently add a
2nd - 4th
Basic Operations, Math
CCSS
3.NBT.A.2
Christmas Place Value Activities Bundle
Christmas Place Value Bundle. You get a place value PowerPoint, SmartBoard Activities, and Math Centers in one bundle at a discount. Includes place value ones, hundreds, and thousands. Great for math stations or small group interventions. Printable and digital resources. Created for 1st, 2nd, and 3rd grade math students. Please see previews.You may also like: ⭐ Christmas Addition Crack the Code Fun Practice Sheets⭐ Christmas Playing Cards⭐ Place Value Christmas Math Center Common Core Standa
1st - 3rd
Arithmetic, Basic Operations, Math Test Prep
CCSS
1.NBT.B.2
, 2.NBT.A.1
, 3.NBT.A.2
Place Value and Maps: Continents and States on a Grid
Six activities, each a grid pattern formed by Base 10 Blocks: 100s Flats, 10s Rods, and 1s squares superimposed over an outline map of a continent or state.
Students first estimate the number value contained within the outline. They then count and record the number of Hundreds, Tens, and Ones, and add the total, and write the number in standard form, expanded form, place value form, and in words.
Numbers go into the low 4-digits. Appropriate for students who are learning place value
2nd - 4th
Arithmetic, Basic Operations, Place Value
CCSS
3.NBT.A.2
Common Core Add and Subtract 2 Digit Numbers using Place Value
You will need SMART Notebook software to use this file. This 37 slide SMART presentation presents how to add and subtract 2 digit numbers without teaching the traditional algorythm for regrouping. Students will learn how to: use a hundreds chart to add and subtract 2 digit numbers, use base-ten blocks to add and subtract 2 digit numbers and how to use expanded notation to add and subtract 2 digit numbers. Smart presentation includes math talk discussion questions, interactive activities, an
1st - 3rd
Basic Operations, Math, Place Value
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