Debug Algorithm
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Programs & methods
2 & 3 Digit Expanded Form Addition with Regrouping
For students to understand why the traditional algorithm works, they must know the rules of place value. By blowing numbers apart and adding each place value, students will develop confidence with regrouping. These strategy cards can be used for an entire unit and eliminate the need for photocopying work sheets. Students who work faster, do more cards or move up a level faster. Slower students do not become overwhelmed with volume of work as they are only ever faced with one problem at a ti
2nd - 4th
Arithmetic, Math, Place Value
CCSS
2.NBT.A.1
, 2.NBT.A.1a
, 2.NBT.A.1b
+7
2 & 3 Digit Subtraction Expanded Form
The expanded form subtraction strategy is a great stepping stone to understanding why the standard algorithm works. Students will cement their understanding of place value and practice organizing their work to arrive at accurate calculations. There are 168 different problems for students to solve. They can be used as a whole class activity or as a Math center. Simply laminate and you will never have to prep your unit again! The file includes... Level 1: 2 digit subtraction, no regrouping (
2nd - 4th
Arithmetic, Mental Math, Place Value
CCSS
2.NBT.A.1
, 2.NBT.A.1a
, 2.NBT.A.1b
+4
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Multiplication Task Cards (Self-Check with QR codes)
24 Self-Checking Multiplication Task Cards
These cards are meant to provide students a fun opportunity to master the standard multiplication algorithm. Cards include problems up to 4-digit by 2-digit multiplication of whole numbers.
Students scan the QR code with their smart device to check their work. Answers show up as a colorful picture that shows regrouping and two-partial products, so students with errors can determine where they went wrong.
These task cards can be used in many ways:
(1
4th - 6th
Arithmetic, Basic Operations, Math
CCSS
4.NBT.B.5
, 5.NBT.B.5
Addition Task Cards
This is a set of 32 task cards that can be used in many different ways to enhance your students’ understanding of addition. Included standard algorithm & word problems! These task cards were designed to help identify where students can used some extra help. Each task card has a certain type of problem on it. Download this FREE resource to discover more about how Task cards 1 – 16 are straight computations while cards 17 – 32 are story problems. There are 4 different types of story problems in
3rd - 5th
Arithmetic, Basic Operations, Other (Math)
CCSS
4.NBT.B.4
Also included in: 4th Grade Task Card Bundle
Subtracting Three Digit Numbers with Regrouping BOOM CARDS™
⭐ Subtracting Three Digit Numbers with Regrouping BOOM CARDS™⭐ ⭐ 15 self checking cards⭐ Download this deck of Boom Cards™ to your teacher account and assign them to your students for a quick check of the standard algorithm for subtraction (with regrouping). Can be used as: Independent WorkCentersExit TicketEarly Finisher WorkInformal AssessmentMore information about Boom Learning™ :To use Boom Cards, you must be connected to the Internet. Boom Cards play on modern browsers (Chrome, Safari, Fir
2nd - 4th
Arithmetic, Basic Operations
CCSS
2.OA.A.1
2 Digit Partial Product Multiplication
The Partial Product strategy shows students how to use their knowledge of place value to solve multi-digit multiplication problems. When students fully understand how each part of the question is being multiplied, it can make the transition to a traditional algorithm easier. These strategy cards guide students into organizing their work so they can be confident in their answers. The file includes 168 different cards which are divided into 3 levels so students can work within their ability and
4th - 6th
Arithmetic, Math, Place Value
CCSS
4.NBT.B.4
, 4.NBT.B.5
, 5.NBT.B.5
Multi-Digit Multiplication BOOM CARDS™
⭐ Christmas-Themed BOOM CARDS™ to practice Multi-Digit Multiplication⭐ Download this deck of Boom Cards to your teacher account and assign them to your students for a quick check of their ability to multiply (3-digit by 2-digit) using the standard algorithm. Can be used as: Independent WorkStationsExit TicketEarly Finisher WorkInformal AssessmentExtension work for your high achieversNote:⭐Students will need scratch paper or whiteboards to show their work using the standard algorithm ⭐Students mu
3rd - 6th
Arithmetic, Basic Operations
CCSS
5.NBT.B.5
FREE Multiplication QUIZ for Google Forms
Multiplication Formative Assessments for Google Forms Looking to cut down on the time you spend grading? Hoping to transfer the skills you learned from distance learning over to the classroom? Need a way to assess your students’ learning quickly to identify areas of strengths and weakness? Then you need.... Standards Based Formative Assessments (using Google Forms™) that grade automatically!FREE SAMPLE! FIND THE FULL RESOURCE HERE! Standard Included:CCSS.MATH.CONTENT.5.NBT.B.5Fluently multi
4th - 6th
Arithmetic, Basic Operations, Math
CCSS
4.NBT.B.5
, 5.NBT.B.5
2 by 1 Multiplication Task Cards with Video Tutorial
Print and Go! Send your students to math centers or independent work while providing them with teacher support to get them started. In this resource, students can scan the QR code, watch the tutorial video, work through the first problem with the tutorial, then work independently. This is an excellent resource for independent math centers or as a reinforcement for struggling learners. The tutorials in this resource use the standard algorithm for multiplication to solve the problems. This freebie
3rd - 4th
Arithmetic, Math, Other (Math)
CCSS
4.NBT.B.5
, 5.NBT.B.5
4.NBT.4 FREE Multi-Digit Subtraction {Math Task Cards}
Do your students need practice subtracting large numbers? This product contains 32 task cards to help students practice basic 4-digit subtraction. Problems are printed sideways so that students are forced to line up the digits in the correct place. 25% of the problems include a 3-digit number. The rest are all 4-digit numbers. An answer sheet for students and a key are both included. Cards can be printed in color or black line masters. Laminate them for durability. Skills Practiced -Subtraction
3rd - 5th
Arithmetic, Basic Operations, Math
Long Division with 1 Digit Divisor Task Cards With QR Codes & Work - 5.NBT.6
Each task card comes with a QR code that students can scan on iPads, phones or computers. The QR code immediately pulls up the answer and the work that accompanies that answer. Students can check their work and if they made a mistake, they can use the work to figure out where they went wrong. This free version contains 8 task cards designed for 4th and 5th grade. 4 cards have problems that contain 1 digit divisors and no remainders with the other 4 cards have remainders that will need to be
4th - 6th
Arithmetic, Math, Other (Math)
CCSS
4.NBT.B.6
, 5.NBT.B.6
, 6.NS.B.2
4.NBT.4 FREE Multi-Digit Addition {Math Task Cards & Digital Learning}
Do your students need practice adding large numbers? This product contains 32 task cards (print & digital options are both available) that can be used during small group instruction or as part of a game based center. Problems are printed sideways so that students are forced to line up the digits in the correct place. 25% of the problems include a 3-digit number. The rest are 4-digit numbers. An answer sheet for students and a key are both included. Cards can be printed in color or black line
3rd - 5th
Arithmetic, Basic Operations, Math
CCSS
4.NBT.B.4
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