Primary Resources
Primary Resources: Addition and Subtraction Higher Numbers
An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...
US Department of Education
Helping Your Child Learn Math: Math for the Fun of It
This compilation of math activities engages parents and children in the use of math whenever they are at home. Packed with concise, high interest activities, related illustrations, detailed "parent pointers," and easy to following...
PBS
Pbs Learning Media: Move That Math: Lesson Plan
Combine addition of numbers identified from playing cards with physical activity to engage learners and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require two decks of...
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.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Calculo Mental Todo Terreno
Practice your mental math with this application by finding the sum of two: whole numbers, integers, decimals or fractions. You can choose two different levels of difficulty.
University of Regina (Canada)
University of Regina: Math Central: Lesson Plan: Money, Money, Money
It all about money! Explore the concept of money in this real-world, unit plan. A collection of six lessons where students practice skills such as coin identification, mental math, menu math, making change, math operations with coins,...
Teaching Treasures Publications
Teaching Treasures: Year Two Timed Mental Math (Page 3)
Increase your addition and subtraction speed using this timed interactive worksheet. With just ten problems and five minutes, this worksheet is suitable for practice or as an assessment tool. Check your answers immediately.
Other
Answermath.com: Suma
An online addition game which offers practice in mental math and times practice. When you submit the wrong answer, it provides the correct one. Students and teachers can choose how many places to add. In Spanish, with links to English...
Teaching Treasures Publications
Teaching Treasures: Year Six Timed Mental Math (Page 2)
Improve your computations skills in all four operations with this timed interactive worksheet. Solve ten problems in five minutes or less. Problems are presented in horizontal format and answers can be checked immediately. This worksheet...
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.
Varsity Tutors
Varsity Tutors: Aplus Math: Addition Matho
Students can practice their addition facts playing Addition MATHO, a combination of math and bingo! This is a great timed mental math activity.
E-learning for Kids
E Learning for Kids: Math: Australlia Bbq Party: Addition
Students will complete a series of learning games to practice addition with standard algorithms.
Queen's Printer for Ontario
E workshop.on.ca: Effective Instr'n in Math, K 6: Multidigit Computation [Pdf]
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.
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page 3)
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.
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page 2)
Learners are challenged to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given.
CK-12 Foundation
Ck 12: Mental Math for Addition and Subtraction Equations
[Free Registration/Login Required] Students will use a real world example to solve single variable equations mentally. Click challenge me to answer a practice question and click learn more to watch a video.
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page1)
Test your computation skills using this timed interactive worksheet. Five minutes is the time limit. Answers can be checked when finished. This short activity would be suitable for a quick assessment.
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.
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.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Figuras Magicas
Interactive fun activities that could be used in the classroom to practice mental math skills.
Educaplus (Jesús Peñas Cano)
Educaplus: Ecuaciones Visuales
In this activity you can practice mental math by answering each question with the help of the given pictures. You can choose from three different levels.
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.
University of Waterloo (Canada)
Math Frog: Arithmagic
Practice operations of mental math while the program timer runs.