![E workshop.on.ca: Number Sense and Numeration, Grds 4 6: Addition, Subtract [Pdf] Professional Doc](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "E workshop.on.ca: Number Sense and Numeration, Grds 4 6: Addition, Subtract [Pdf] Professional Doc")
Queen's Printer for Ontario
E workshop.on.ca: Number Sense and Numeration, Grds 4 6: Addition, Subtract [Pdf]
Volume 2 of an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching addition and subtraction to students in grades 4 through 6. Include a series of suggested activities.
Other
Sums Math: Bracket Basics
Students use their knowledge of order of operations to complete the number sentence.
Scholastic
Scholastic: Study Jams! Math: Relate Adding, Subtracting
Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Mr. Martini's Classroom: Adding Objects
Practice addition facts 1 to 9 with numbers and pictures in this interactive game.
Mr. Martini's Classroom
Mr. Martini's Classroom: Picking Signs
Chose which sign addition or subtraction completes the expression. Click "How to do this" for further instructions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 9
Practice subtraction facts up to nine with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 4
Practice subtraction facts up to four using this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Subtracting With Multiple Choices Math Facts
Practice subtraction facts 4 to 9 with this interactive multiple choice activity.
Mangahigh
Mangahigh: Number: Use Inverses
Explore addition and subtraction and how they are related.
CK-12 Foundation
Ck 12: Elem Math: Add and Subtract Numbers to 1000 (Grade 3)
[Free Registration/Login may be required to access all resource tools.] This learning module features four videos and a set of practice questionsin which students use addition and subtraction to solve problems with more than two values...
Illustrative Mathematics
Illustrative Mathematics: Peyton and Presley Discuss Addition
The purpose of this task is to support students in developing an understanding of a place value strategy for adding numbers. By using a representation to visualize the abstract notation, students will make sense of the strategy, adding...
Other
Maths.cilenia.com: Addition
Students will practice addition. subtraction, multiplication, and division by changing the sign and solving.
Annenberg Foundation
Annenberg Learner: Operations
Anneberg Learner: Operations the source provides addition, subtraction, multiplication, and division. It also provides an understanding of its relationships to whole numbers.
University of Waterloo (Canada)
University of Waterloo: Order of Operations
A quick game in which students must evaluate an arithmetic expression involving three numbers and any of the four basic operations (addition, subtraction, multiplication, division). Students must be careful to do the operations in the...
Cool Math
Coolmath: Coolmath4kids: Addition
A set of seven short tutorials on addition. Begins with a basic introduction to how addition works, and covers topics such as using a number line, place value, and regrouping.
Cool Math
Coolmath: Coolmath4kids: Subtraction: Place Value Review
Reviews what place value is and how it is used in subtraction.
Cool Math
Coolmath: Coolmath4kids: Subtracting Numbers Within 100
Short tutorial showing how to subtract using two-digit numbers in tens and ones columns without regrouping.
Other
Visnos: Spinners
Interactive spinners can be used by teachers and students to find the rule, use order of operations to solve, and substitute values for variables. Best results when Safari or Chrome are used.
Cool Math
Coolmath: Coolmath4kids: Subtracting Numbers Within 1000
Step-by-step tutorial showing how to subtract numbers less than 1000 in place value columns with and without regrouping. Includes sample problems to try.
Cool Math
Coolmath: Coolmath4kids: Subtraction
A set of seven short tutorials on subtraction. Begins with a basic introduction to how subtraction works and covers topics such as fact families, place value, and regrouping.
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 100
A step-by-step tutorial showing how to add 2-digit numbers in place value columns without regrouping. Includes exercises to try. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 1000
Step-by-step tutorial showing how to add 3-digit numbers in place value columns with and without regrouping. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
Khan Academy
Khan Academy: Addition Within 100
In this exercise, students practice addition within 100. Students receive immediate feedback and have the opportunity to watch a tutorial video get hints, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
Khan Academy
Khan Academy: Addition Within 1000
In this exercise, students practice addition within 1000. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...