University of Cambridge
University of Cambridge: Nrich: Dicey Operations
Dice throwing games are played with a 0-9 dice and teams of two. Students should understand why are some cells more significant than others, how do you decide which targets are appropriate, and what are effective strategies for placing...
AAA Math
Aaa Math: Adding Two Digit Numbers Mentally
Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...
Other
Epsilones: Problemas Pi
Use logic or your knowledge of mathematics to solve this collection of math problems. Solutions are provided. [In Spanish]
CK-12 Foundation
Ck 12: Algebra: Extend Numerical Patterns
[Free Registration/Login may be required to access all resource tools.] Extend numerical patterns by identifying and following rules
Topmarks Online
Topmarks: Multiples and Factors
A multiple-choice game with two game modes. In the first, you need to identify the Lowest Common Multiple and in the second the Highest Common Factor. Questions increase in difficulty depending on accuracy.
Other
Casting Out Nines: A Math Computation Checking Strategy
It's a mathematician's dream come true. An easy trick for checking mathematical computations, without a calculator! Believe it or not, it works with all four operations.
ICT Games
Ict Games: Bridge Doubles
You get to practice doubling numbers up to 20. When you are correct, your car is able to cross the water safely. If you make a mistake, your car goes for a swim!
Ministry of Education and Employment of Spain
Red Escolar: Numeros
Numbers have very interesting properties and we can do many tricks with them. Try several math tricks and games that you can play by yourself or with a friend.
Project Britain
Primary Homework Help: Doubling Numbers Up to 100
The learning activity reviews doubling up to one hundred. Students answer ten questions and can check their answers when finished.
Varsity Tutors
Varsity Tutors: Aplus Math: Flashcard Creator
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,...
Varsity Tutors
Varsity Tutors: Aplus Math: Flashcard Creator
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,...
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"...
AAA Math
Aaa Math: Estimating a Sum by Rounding
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.