University of Cambridge
University of Cambridge: Nrich: Writing Digits
At this one page website you must know the difference between digits and numbers to solve the challenge. When you have a solution you can check it with the solution right there on the website.
University of Cambridge
University of Cambridge: Nrich: Magic Squares
In a Magic Square all the rows, columns and diagonals add to the same number. This number is called the Magic Constant. Learn math fundamentals visually and have fun at the same time.
University of Cambridge
University of Cambridge: Nrich: Largest Number
On this one page website sharpen your logic, multiplication, and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Magic Squares 3x3
Use your problem solving skills to make these magic squares work correctly. The solutions are at this one page website.
University of Cambridge
University of Cambridge: Nrich: Magic Squares 4x4
Warm up your problem solving skills to make the magic work in these magic squares by getting the correct numbers in the correct spot. You can check your solution at this one page website.
Mr. Martini's Classroom
Mr. Martini's Classroom: Big Number Flashcards: Multiplication Through 31
Interactive flashcards review multiplication of whole numbers through 31. The problems change color when the correct answer is given.
Other
Kinder Magic: Addition of Whole Numbers
This interactive site contains problems on which you can test yourself and imrpove your skills regarding the addition of whole numbers. Requires Java Plug-in.
DLTK
Kidzone: Math Worksheets
This site provides printable worksheets for basic math operations. Organized by grade level, concept & theme.
Fun Brain
Fun Brain: Math Car Racing Game
Players must choose the mathematical expression with the highest value to win. Tests understanding of basic arithmetic skills involving the addition, subtraction, multiplication, and division of whole numbers.
Math Slice
Math Slice: Connect 4
This resource contains practice problems where students connect four numbers that create the given sum. Students are able to select the range of numbers they will be adding together.
Math Slice
Math Slice: Ordering Numbers
A jeopardy game where students practice finding the sum of two numbers. Each number will have one to four digits where the more digits that are in the problem, the more points the correct answer is worth.
Quia
Quia: Addition Concentration Sums 0 to 9
This website for young children gives them practice adding sums from 0 to 9 in a concentration game type format.