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.
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.
CK-12 Foundation
Ck 12: Arithmetic: Mental Math to Add and Subtract Decimals
[Free Registration/Login may be required to access all resource tools.] Find sums and differences of decimals using mental math.
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.
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: 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: 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.
Topmarks Online
Topmarks: Helicopter Rescue
A game which helps students identify and work with two-digit numbers. There are four game modes: Find a Number, Find the Number Between Count On, and Count Back. The counting on and back games reinforce the vocabulary of addition and...
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: Table of Contents
This website from The Math Page explains some helpful hints about how to do mental math.
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.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: El Monosabio
This application has a simulation which computes the product of two numbers and the square of a number.
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.
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.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Triada (Suma)
This is a game about addition of numbers from 1 to 9. A group of two players are needed for this game.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Triada (Resta)
This is a game about subtraction of numbers from 1 to 9. A group of two players are needed for this game.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: El Juego Del 15
Take this challenge by trying to put in order the pieces from 1 through 15. Geogebra plugin required.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Geo Gebra Prim (Conexiones Misteriosas)
Challenge yourself with this puzzle. Try to connect the dots of the same color with horizontal and vertical segments without leaving the grid and without crossing the lines.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Triada (Multiplicacion)
This is a game about the product of two numbers from 1 to 9. A group of two players are needed for this game.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Ajedrez
Practice your mental skills with the game of chess. A group of two players are needed for this game.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Veintiocho Cerillas
Remove four matches to the center of the square then repositions the other matches in such a way that the sum of them on each side is 11.