[Free Registration/Login may be required to access all resource tools.] Find sums and differences of decimals using mental math.

[Free Registration/Login may be required to access all resource tools.] Solve single variable addition and subtraction equations by using mental math

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Mental Maths Train is a multiple-choice math game that focuses on the essential vocabulary of addition, subtraction, multiplication, and division.

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...

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...

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...

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,...

[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.

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.

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...

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.

Learners are challenged to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given.

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...

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.

Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.

Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.

Practice your mental math by finding two numbers knowing their sum and difference.

Practice your mental math by finding two numbers knowing their difference and product.

On this interactive site students learn to write a remainder as a decimal and solve division problems using the appropriate mental, written or calculator strategy.

Can you meet the challenge to see how many subtraction calculations you can do in two minutes? There are different levels and you can choose either one or two missing numbers to make your number sentence correct.

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,...

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,...

In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.