1st Grade Games - Work with addition and subtraction equations.


Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.


Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ - 3, 6 + 6 = _.


Screenshot Name / Description Flag? Rating
Missing Number Game
Select the mission number to complete the additions statement
Monkey Math
Balance the equation by putting coconuts on each side of the scale.
Tug Addition
Solve addition problems to win a tug boat competition
Minus Mission
Use your understanding of subtraction to shoot gooey blobs out of the sky!

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