Math Chimp - Math resources aligned to the Common Core standards

1st Grade Games - Represent and solve problems involving addition and subtraction.


Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.


Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.


Screenshot Name / Description Flag? Rating
IXL Practice - Subtraction with pictures - numbers up to 10
Practice subtraction using pictures
Busy Bee Math
Use knowledge of algebra to solve word problems counting bees
2-Step Add and Subtract Word Problems - 1
Two step addition and subtraction problems (within 20)
2-Step Add and Subtract Word Problems - 2
Two step addition and subtraction problems (within 20)
2-Step Add and Subtract Word Problems - 3
Two step addition and subtraction problems (within 20)
1-Step Add and Subtract Word Problems - 2
1-step add and subtract word problems (within 20)
1-Step Add and Subtract Word Problems - 1
1-step add and subtract word problems (within 20)
1-Step Add and Subtract Word Problems - 3
1-step add and subtract word problems (within 20)

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