Activity
Curated OER

A Math Board Game

For Teachers 4th - 7th
Math is fun with a board game printable set. After printing the pieces and board for the game, have your kids play in groups to practice concepts such as operations and arithmetic formulas.
Lesson Plan
Curated OER

Mental Math for Adding Decimals

For Teachers 5th
Fifth graders work in groups to practice adding decimals. In this adding decimals lesson, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
Lesson Plan
Curated OER

Mental Multiplication and Division

For Teachers 4th - 5th
Learners practice multiplication and division problems using mental math. They play the online game ArithmAttack to complete as many multiplications or divisions as possible in 60 seconds. Afterward, they complete a paper based follow up...
App
1
1
Oddrobo Software

King of Math: Full Game

For Students 3rd - 8th Standards
All hail the king! Young mathematicians put their skills to the test as they strive to become the king of math.
Lesson Plan
Curated OER

Mental Addition and Subtraction

For Teachers 5th
Students play the online game ArithmAttack to practice mental math skills. They play the game to as many additions or subtractions as possible in sixty seconds. Afterward, they complete a paper based follow up exercise.
Lesson Plan
Curated OER

Math Magic

For Teachers 3rd - 5th
Learners work in pairs, and take turns pretending to be a magician. There are a set of instructions for the magician to follow. A penny and a dime are used, and odd and even numbers are employed for multiplying. There is also a nifty...
Lesson Plan
Curated OER

Ten Pennies

For Teachers K - 6th
Students play logic and strategy games with pennies. In this pennies worksheet, students play one game called 'From counting to arithmetic', and one called 'Counting and mental math'.
Lesson Plan
Curated OER

Dragon Math

For Teachers K - 2nd
Learners engage in a activity which provides a fun way to increase a student's ability to combine and separate numbers to form landmarks. They access a game online and play in pairs.
Lesson Plan
Curated OER

Mental Addition and Subtraction

For Teachers 4th
Fourth graders, while in the computer lab, practice the concepts of mental addition and subtraction by participating in an online game that stresses addition and subtraction. They have sixty seconds to answer as many questions as...
Lesson Plan
Curated OER

Mental Multiplication and Division

For Teachers 4th
Fourth graders play the game ArithmAttack. They complete as many multiplications or divisions as possible in 60 seconds. They are told the maximize the window, then select Multiply from the left menu. Students make sure that the high...
Lesson Plan
Curated OER

Mental Addition And Subtraction

For Teachers 6th
Sixth graders, while in the computer lab, participate in the game ArithmAttack and complete as many additions and subtraction equations as they can in sixty seconds. They access the web site Mathfrog.com and begin their adventure with...
Lesson Plan
Curated OER

Mental Multiplication and Division

For Teachers 6th
Sixth graders play a game of ArithmAttack, they complete as many multiplications or divisions as possible in 60 seconds. They go to the Mathfrog website, and select ArithmAttack. Students are asked to maximize the window, select the high...
Lesson Plan
Curated OER

BASE-ic Space Travel

For Teachers 4th - 5th
In this 3-day place-value lesson, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases, exponents, and powers,...
Lesson Plan
Curated OER

Dividing by 3's

For Teachers 3rd
Third graders review and practice strategies for solving division problems. In this division by 3's lesson, 3rd graders play games, use an interactive whiteboard, create flashcards, and solve word problems. 
Lesson Plan
Curated OER

20 Field Day Activities Any Kid Can Do (And Do Well!)

For Teachers K - 8th
Students participate in activities in which they practice their physical skills. They work together on some of the activities to practice mental skills as well. They show their team spirit as the winners are announced.
Lesson Plan
Curated OER

Reasonable Estimates

For Teachers 3rd - 4th
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
Activity
Teachnology

Teachnology: Arithmetic Theme

For Teachers Pre-K - 1st Standards
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Activity
Teachnology

Teachnology: Arithmetic Theme

For Teachers Pre-K - 1st Standards
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Activity
University of Waterloo (Canada)

University of Waterloo: Arithmagic: Mental Math

For Students Pre-K - 1st Standards
Test your mental math skills in arithmetic. How many questions can you answer in one minute? Good luck!
Interactive
Educaplus (Jesús Peñas Cano)

Educaplus: Puzzle Algebraico

For Students 3rd - 5th
In this activity you can practice mental math by finding the value of each of the objects with the help of the given pictures.
Interactive
Other

P.u.e.m.a.c.: Juegos

For Students 9th - 10th
Try these interactive math games to test and train the mind. Good explanation is given for each of the games. Requires Java.
Activity
AAA Math

Aaa Math: Mentally Adding Two Digit Numbers

For Students 3rd - 8th
This site explains how to mentally add two-digit numbers. Gives exercises and games to practice this skill.
Activity
National Council of Teachers of Mathematics

The Math Forum: K 12 Math Problems, Puzzles, Tips & Tricks

For Students K - 1st
At this site us these tips & tricks to help students become better mental mathematicians.
Activity
Can Teach

Can Teach: Who Has More or Less?

For Teachers 2nd - 4th
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.