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: 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: Algebra: Problem Solving Plan, Mental Math
[Free Registration/Login may be required to access all resource tools.] Solve word problems using the mental math.
CK-12 Foundation
Ck 12: Algebra: Mental Math for Addition and Subtraction Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable addition and subtraction equations by using mental math
CK-12 Foundation
Ck 12: Algebra: Mental Math for Multiplication/division Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable multiplication and division equations by using mental math
CK-12 Foundation
Ck 12: Algebra: Mental Math for Multiplication/division Equations
[Free Registration/Login may be required to access all resource tools.] Use mental math to solve and check single-variable equations
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: 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.
AAA Math
Aaa Math: Aaa Math Lessons
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"...
US Department of Education
Helping Your Child Learn Math: Math at the Grocery Store
Make grocery shopping a mathematical experience. Parents and children explore a variety of math concepts through this collection of engaging math activities. Lesson are presented in varying levels of difficulty, offer "Parent Pointers"...
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,...
PBS
Pbs Learning Media: Musical Math Facts: Lesson Plan
Combine mental math with physical activity to engage students and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require pre-made math flashcards that can be easily created...
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.
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.
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.
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.
US Department of Education
Helping Your Child Learn Math: Math on the Go
Parents and children explore math in the world around them in this collection of math activities. Simple, engaging, and fun, these lessons offer learners the opportunity to discover math even when they're "on the go." An excellent...
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.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
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.
AAA Math
Aaa Math: Estimation
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...