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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.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Turn Around Dominoes [Pdf]
Write addition number sentences using the commutative property.
Can Teach
Can Teach: Math Centers
This page offers a variety of math center ideas for general math and geometry. Instructions on setting up the center are not provided for most ideas, however, those lacking instructions are pretty self-evident.
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.
Topmarks Online
Topmarks: Loop Cards
Fantastic for improving your mental maths. Similar to dominoes, complete the loop against the clock while practicing addition, subtraction, multiplication, and division.