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.
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 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.
Other
Saskatoon Public Schools: Mental Math Strategies
Strategies for basic addition and multiplication are explained here and there are several practice worksheets that can be downloaded.
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...
ClassFlow
Class Flow: Mental Math
[Free Registration/Login Required] After this lesson, students will be able to solve problems using a variety of mental math strategies.
Homeschool Math
Homeschool Math: Dividing Decimals Mental Math
Complete lesson with instruction and exercises, teaching students how to divide decimals using mental math.
University of Saskatchewan (Canada)
Emr: Exercises in Math Readiness
Practice your mental math skills with this site, where practice problems in addition, subtraction, multiplication, and division abound. Introductory, intermediate, and advanced levels are available. Just type in your answer and you'll...
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...
Other
Answermath: Multiplicacion
An online multiplication 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 multiply. In Spanish, with links to...
Other
Answermath: Raiz
An online root 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 square root or cube root problems. In Spanish, with links to...
Other
Answermath: Potencias
An online exponents 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 1 or 2 digit numbers, and practice squaring or cubing each...
Other
Answermath.com: Resta
An online subtraction 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 subtract. In Spanish, with links to...
PBS
Pbs Kids Afterschool Adventure!: Operation: Adding Up, Taking Away Activity Plan
For this week's Afterschool Adventure, children will practice and explore strategies for solving addition and subtraction problems, such as using counters and rulers, performing mental math, and drawing pictures. As children encounter...
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.
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.
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.
ClassFlow
Class Flow: Using Mental Math to Solve Multiplication Problems
[Free Registration/Login Required] This flipchart was designed to be used during the teaching of multiplication by one digit numbers. It also includes mental math instruction.
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.
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.
Other
Ministerio De Educacion: Suma Y Resta
Practice your mental math by finding two numbers knowing their sum and difference.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Resta Y Producto
Practice your mental math by finding two numbers knowing their difference and product.
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