Website
University of Saskatchewan (Canada)

University of Saskatchewan: Emr: Exercises in Math Readiness

For Students 9th - 10th
The University of Saskatchewan offers this resource for the review of mathematical concepts that students need to enter university level math courses. Topics include mental arithmetic, algebra, geometry, trigonometry, exponential and...
Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Multiplication: Mental Calculation

For Students 3rd - 8th Standards
If you are looking for a website that explains and defines the basics of mental multiplication with helpful hints then you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
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.
Activity
University of Waterloo (Canada)

University of Waterloo: Arithmagic: Mental Math

For Students Pre-K - 1st Standards
Test your mental math skills in arithmetic. How many questions can you answer in one minute? Good luck!
Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Table of Contents

For Students 3rd - 8th Standards
This website from The Math Page explains some helpful hints about how to do mental math.
Professional Doc
Other

Ns Dept. Of Education: Mental Math Questions and Answers

For Teachers 3rd - 5th
Designed to inform teachers, this booklet addresses questions they may have about how to teach Mental Math.
Website
AAA Math

Aaa Math: Aaa Math Lessons

For Teachers 3rd - 8th
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
Activity
AAA Math

Aaa Math: Mentally Adding Two Digit Numbers

For Students 3rd - 8th
This site explains how to mentally add two-digit numbers. Gives exercises and games to practice this skill.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Igloo: Addition

For Students 4th - 5th
It takes a lot of math to build an Igloo. Can you help Kirima? Students will learn to select and apply appropriate mental, written or calculator strategies to solve addition problems.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Mental Math to Add and Subtract Decimals

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find sums and differences of decimals using mental math.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Mental Math to Divide by Decimal Powers of Ten

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Use mental math to divide by decimal powers of ten and find a quotient.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Mental Math to Multiply by Decimal Powers of Ten

For Students 6th Standards
[Free Registration/Login may be required to access all resource tools.] Use mental math to multiply by decimal powers of ten.
Unit Plan
CK-12 Foundation

Ck 12: Mental Math to Divide by Whole Number Powers of Ten

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Use mental math to divide by whole number powers of ten.
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
National Council of Teachers of Mathematics

The Math Forum: K 12 Math Problems, Puzzles, Tips & Tricks

For Students K - 1st
At this site us these tips & tricks to help students become better mental mathematicians.
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Other

Saskatoon Public Schools: Mental Math Strategies

For Teachers Pre-K - 1st Standards
Strategies for basic addition and multiplication are explained here and there are several practice worksheets that can be downloaded.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Mental Math to Evaluate Products

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Evaluate numerical expressions using mental math.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic:

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Solve for the unknown in a proportion using mental math.
Unit Plan
CK-12 Foundation

Ck 12: Mental Math to Multiply by Whole Number Powers of Ten

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Use mental math to multiply by whole number powers of ten and find a product.
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Varsity Tutors

Varsity Tutors: Aplus Math: Flashcard Creator

For Students Pre-K - 1st
Create and print your own flashcards to practice your basic math facts. Choose either addition, subtraction, multiplication, or division, as well as which sets of numbers you would like to practice. The flashcards come in sets of twelve,...
Unknown Type
Varsity Tutors

Varsity Tutors: Aplus Math: Flashcard Creator

For Students Pre-K - 1st
Create and print your own flashcards to practice your basic math facts. Choose either addition, subtraction, multiplication, or division, as well as which sets of numbers you would like to practice. The flashcards come in sets of twelve,...
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation

For Students Pre-K - 1st Standards
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
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.