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Primary Resources

Primary Resources: Basic Addition and Subtraction

For Teachers Pre-K - 1st
An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...
Professional Doc
Teachnology

Teachnology: Addition and Subtraction Teaching Theme

For Teachers Pre-K - 1st
Addition and Subtraction Math Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition and subtraction skills.
Activity
Can Teach

Can Teach: Who Has More or Less?

For Teachers 2nd - 4th
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Two Math (Page 3)

For Students Pre-K - 1st Standards
Review basic addition and subtraction facts using this interactive worksheet. Problems are presented in horizontal format and offer immediate feedback. With only ten problems, this worksheet could also be used for a quick review or short...
Activity
Teaching Treasures Publications

Teaching Treasures: Year One Math (Page 2)

For Students Pre-K - 1st Standards
Review basic addition and subtraction facts with this interactive worksheet that offers immediate feedback. Use this tool for a quick review or assessment of these skills.
Activity
Teaching Treasures Publications

Teaching Treasures Picture Math Grades K 1 (Page 3)

For Students Pre-K - 1st Standards
Use this colorful, interactive picture worksheet to practice basic addition and subtraction facts. An easy to grasp activity that allows learners to check their answer immediately.
Activity
Teaching Treasures Publications

Teaching Treasures: Year One Math (Page 4)

For Students Pre-K - 1st
The focus of this interactive worksheet is basic addition and subtraction facts. Use this worksheet for a quick review or short assessment. Immediate feedback is provided.
Lesson Plan
TeachEngineering

Teach Engineering: Light Properties

For Teachers 9th - 10th
Students learn about the basic properties of light and how light interacts with objects. They are introduced to the additive and subtractive color systems, and the phenomena of refraction. Students further explore the differences between...
Lesson Plan
TeachEngineering

Teach Engineering: Fluid Power Basics

For Teachers 6th - 8th
Middle schoolers learn about the basic fundamental concepts regarding fluid power, which includes both pneumatic, which utilize gas, and hydraulic, which utilize liquid, systems. Both systems contain four basic components: a reservoir, a...
Lesson Plan
TeachEngineering

Teach Engineering: Exploring the Electromagnetic Spectrum

For Teachers 9th - 10th
Young scholars learn the basics of the electromagnetic spectrum and how various types of electromagnetic waves are related in terms of wavelength and energy. In addition, they are introduced to the various types of waves that make up the...
Lesson Plan
TeachEngineering

Teach Engineering: Flocculants: The First Step to Cleaner Water!

For Teachers 10th - 12th
Students experience firsthand one of the most common water treatment types in the industry today, flocculants. They learn how the amount of suspended solids in water is measured using the basic properties of matter and light. In...
Lesson Plan
Can Teach

Can Teach: Grab and Add

For Teachers 3rd - 5th
Students will practice their addition skills through this game. Lesson plan indicated for 1st-3rd grades.
Activity
Teaching Treasures Publications

Teaching Treasures: Year One Timed Mental Math (Page 3)

For Students Pre-K - 1st Standards
Try to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given. A suitable tool for use as a quick assessment.
Lesson Plan
Better Lesson

Better Lesson: Domino Addition: Understanding the Part/part/whole Relationship

For Teachers 2nd Standards
The big idea of this lesson is the understanding that addition can be represented as parts of a whole and that we can use addition sentences to represent those parts.
Lesson Plan
Better Lesson

Better Lesson: Quotients Just the Basics

For Teachers 3rd Standards
Just like multiplication, addition, and subtraction, division problems involve patterns and there are methodical ways in which manipulatives can be used to solve division problems with small dividends and divisors of 1 through 10.
Professional Doc
Queen's Printer for Ontario

E workshop.on.ca: Effective Instr'n in Math, K 6: Multidigit Computation [Pdf]

For Teachers Pre-K - 1st Standards
Volume 5 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teach basic facts and multidigit computation to students in kindergarten through grade 6.
Activity
Teachnology

Teachnology: Arithmetic Theme

For Teachers Pre-K - 1st Standards
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Activity
Teachnology

Teachnology: Arithmetic Theme

For Teachers Pre-K - 1st Standards
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Lesson Plan
Better Lesson

Better Lesson: Applying the Basics!

For Teachers 2nd Standards
Using base-ten materials and place-value skills, 2nd graders gain a better understanding of how to add and subtract numbers.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Two Math (Page 1)

For Students Pre-K - 1st Standards
Improve your computation skills using this interactive worksheet. Review two digit addition and subtraction facts. This worksheet gives students immediate feedback and is a suitable tool for short assessments or independent practice.
Whiteboard
ClassFlow

Class Flow: Two Digit Addition With Regrouping

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This flipchart will help the second grade student review three digit place value and comparing numbers. It has a helpful work mat for teaching two digit addition with regrouping. Students will learn how...
Activity
Teaching Treasures Publications

Teaching Treasures: Year One Timed Mental Math (Page 2)

For Students Pre-K - 1st Standards
Learners are challenged to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Facts of Ten [Pdf]

For Students 1st - 3rd Standards
You and a partner try to pick cards that are facts of ten.
Unknown Type
abcteach

Abcteach: Basic Spanish Grammar

For Teachers Pre-K - 1st
[Free Registration/Login Required] This site houses worksheets that have been prepared for both ELL students and students who are learning to speak Spanish as their second language. Most of the worksheets focus on the phonetics of the...