NumberNut
Number Nut: Subtracting More Than Two Values
Get the facts on how to subtract more than two values in this short subtraction lesson. This lesson offers step-by-step examples, suggested strategies and shortcuts, and links to related interactive games. Both games are fast-paced and...
University of Cambridge
University of Cambridge: Nrich: Domino Square
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
University of Cambridge
University of Cambridge: Nrich: 4 Dom
On this one page website move the domino pieces around until you satisfy the rules for this challenge. This will require you to use your problem solving skills.
Other
Tufts University: Early Algebra, Early Arithmetic
This online resource is from the Tufts University offers lesson plans, worksheets, and ideas about using algebra with elementary grade levels.
Cool Math
Coolmath: Coolmath4kids: Printable Flash Cards
Find here flashcards for addition, subtraction, multiplication, and division for printing off and coloring.
University of Cambridge
University of Cambridge: Nrich: Scoring With Dice
On this one page website sharpen your logic, multiplication, and multiples skills while working on this challenge. The solution is available to double check your solution.
Other
Schoolhouse Rock: Multiplication Rock
This site from Schoolhouse Rock provides links to eleven different songs that have to do with multiplication. The songs are taken from the 1970's TV show, Schoolhouse rock, and are very catchy tunes. You can access the lyrics by clicking...
Paul Dawkins
Paul's Online Notes: Calculus I: Proof of Various Limit Properties
The tutorial proves some of the basic properties and facts about limits. Topics discussed are limit properties, triangle inequality, continuity, and limits at infinity. Class notes, definitions, and examples with detailed solutions are...
Can Teach
Can Teach: Grab and Add
Students will practice their addition skills through this game. Lesson plan indicated for 1st-3rd grades.
Quia
Quia: Adding to 10
This website for young children gives them practice adding sums to 10. Problems are presented as teddy bears to add up with the corresponding digits that represent the problem symbolically.
Other
Lesson Plan Mental and Written Multiplication Algorithms
This lesson plan offers a variety of algorithms and systematic errors that occur in written multiplication problems.
University of Cambridge
University of Cambridge: Nrich: Read This Page
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
Cool Math
Coolmath: Coolmath4kids: Tractor Multiplication
Practice simple multiplication in this multiplayer tug of war!
Cool Math
Coolmath: Coolmath4kids: Tugboat Addition
Add numbers quickly to help your tugboat team win!
Quia
Quia: Addition Concentration Sums 10 to 18
This website for young children gives them practice adding sums from 10 to 18 in a concentration game type format.
Quia
Quia: Addition Matching Sums 0 to 9
This website for young children gives them practice adding sums from 0 to 9 in a matching type format.