Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Multiplication: Mental Calculation
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.
Teachnology
Teachnology: Arithmetic Theme
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Teachnology
Teachnology: Arithmetic Theme
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Table of Contents
This website from The Math Page explains some helpful hints about how to do mental math.
Other
Ns Dept. Of Education: Mental Math Questions and Answers
Designed to inform teachers, this booklet addresses questions they may have about how to teach Mental Math.
University of Waterloo (Canada)
University of Waterloo: Arithmagic: Mental Math
Test your mental math skills in arithmetic. How many questions can you answer in one minute? Good luck!
CK-12 Foundation
Ck 12: Arithmetic: Mental Math to Add and Subtract Decimals
[Free Registration/Login may be required to access all resource tools.] Find sums and differences of decimals using mental math.
CK-12 Foundation
Ck 12: Arithmetic: Mental Math to Divide by Decimal Powers of Ten
[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.
CK-12 Foundation
Ck 12: Arithmetic: Mental Math to Multiply by Decimal Powers of Ten
[Free Registration/Login may be required to access all resource tools.] Use mental math to multiply by decimal powers of ten.
CK-12 Foundation
Ck 12: Mental Math to Divide by Whole Number Powers of Ten
[Free Registration/Login may be required to access all resource tools.] Use mental math to divide by whole number powers of ten.
Texas Instruments
Texas Instruments: Somewhere in Between
In this activity, students develop estimation and mental arithmetic skills for integer addition and subtraction. In this activity, the Number Line application will be used for targeting estimations.
CK-12 Foundation
Ck 12: Arithmetic: Mental Math to Evaluate Products
[Free Registration/Login may be required to access all resource tools.] Evaluate numerical expressions using mental math.
CK-12 Foundation
Ck 12: Arithmetic:
[Free Registration/Login may be required to access all resource tools.] Solve for the unknown in a proportion using mental math.
CK-12 Foundation
Ck 12: Mental Math to Multiply by Whole Number Powers of Ten
[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.
University of Saskatchewan (Canada)
University of Saskatchewan: Emr: Exercises in Math Readiness
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...
AAA Math
Aaa Math: Mentally Adding Two Digit Numbers
This site explains how to mentally add two-digit numbers. Gives exercises and games to practice this skill.
National Council of Teachers of Mathematics
The Math Forum: K 12 Math Problems, Puzzles, Tips & Tricks
At this site us these tips & tricks to help students become better mental mathematicians.
Educaplus (Jesús Peñas Cano)
Educaplus: Puzzle Algebraico
In this activity you can practice mental math by finding the value of each of the objects with the help of the given pictures.
E-learning for Kids
E Learning for Kids: Math: Igloo: Addition
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.
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Problemas De Entrenamiento Para El Entretenimiento
In Spanish. This site is aimed at those who enjoy solving problems. You will find a collection of Arithmetic and Geometry problems which present some challenges and are interesting and fun.
Texas Instruments
Texas Instruments: Mad Minutes
This activity should help kids to perform quick computations using mental math, become less reliant on calculators for computation, and remember algorithms for common math problems by using repetition and practice.
Other
Lesson Plan Mental and Written Multiplication Algorithms
This lesson plan offers a variety of algorithms and systematic errors that occur in written multiplication problems.
Can Teach
Can Teach: Who Has More or Less?
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Varsity Tutors
Varsity Tutors: Aplus Math: Flashcard Creator
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,...