Online games for the four operations and order of operations
Many of these games practice mental math and logical thinking, and suit best grades 3, 4, 5, and 6.
The Crazy Counting Machine
Make the target number by doubling, halving, adding 7, or subtracting 3.
A self-teaching worktext for 3rd-4th grade that covers mental addition and subtraction strategies, adding and subtracting in columns, Roman numerals, the connection between addition and subtraction, solving word problems with bar models, order of operations, graphs, and money problems.
Download ($3.10). Also available as a printed copy.
Arrange the bottom numbers of the pyramid in order to achieve the highest/lowest possible number on the top.
A Mahjong game where you need to match tiles with the same value. It uses all four operations and has three levels.
Pop the Balloons
Pop the balloons in the order of their value. You need to use all four operations.
A self-teaching worktext for 5th-6th grade that covers simple equations, scales problems, expressions that involve a variable, the order of operations, long multiplication, long division, and graphing simple linear functions.
Download ($6.20). Also available as a printed copy.
You are shown a simple word problem, and you choose which of the four operations will solve it. The snowman gets built when you answer right.
Balance Beam Activity
A virtual balance that provides balance puzzles where student is to find the weights of various figures, practicing algebraic thinking. Includes three levels.
History, instructions, articles about the age-old calculating aid.
See also an interactive Java applet with a demo showing how counting and calculations are done. Nurtureminds.com sells workbooks that teach abacus.
Has summary-type fact sheets/flash movies and little interactive test for understanding on several subjects: subtraction, addition, division, multiplication, fractions, number system, percentages, etc. Very nice and appealing graphics.
Free worksheets for order of operations
Generate printable & customizable worksheets for order of operations. Choose from five operations and parentheses. You can choose the number range used, number of problems, and more.
Choose Math Operation
Choose the mathematical operation(s) so that the number sentence is true. Practice the role of zero and one in basic operations or operations with negative numbers. Helps develop number sense and logical thinking.
My Dear Aunt Sally
A fun game you can play online for free, or purchase as an app. Choose whole numbers, integers, fractions, decimals, or rational numbers, and then which of the five operations to use. In the game, you need to place the given numbers into two expressions so that the operations make the two expressions have the same value.
Two mystery picture games.
www.dositey.com/2008/math/m/mystery2MD.htm and www.dositey.com/2008/math/m/mystery2AD.htm
Order of Operations Quiz
A 10-question online quiz that includes two different operations and possibly parenthesis in each question. You can also modify the quiz parameters yourself.
The Order of Operations Millionaire
Answer multiple-choice questions that have to do with the order of operations, and win a million. Can be played alone or in two teams.
Exploring Order of Operations (Object Interactive)
The program shows an expression, and you click on the correct operation (either +, —, ×, ÷ or exponent) to be done first. The program then solves that operation, and you click on the next operation to be performed, etc., until it is solved. Lastly the resource includes a game where you click on the falling blocks in the order that order of operations would dictate.
Order of Operations Practice
A simple online quiz of 10 questions. Uses parenthesis and the four operations.
Practice your arithmetic of all four operations plus order of operations. themathgames.com/arithmetic-games/addition-subtraction-multiplication-division/quick-calculate-game.php