2.OA.A.1
Add and subtract within 100 to solve one- and two-step contextual problems, with unknowns in all positions, involving situations of add to, take from, put together/take apart, and compare. Use objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Example Problems
Solve the equation:
Solve the equation:
Solve the equation:
Khan Academy ResourcesAdd and subtract on the number line word problemsSubtraction word problems within 1002-step subtraction word problems within 100Find the missing number (add and subtract within 100)Adding up to four 2-digit numbers word problemsAdding up to four 2-digit numbers2-step addition word problems within 100Addition word problems within 100Adding and subtracting on number line word problemsSubtraction word problem: basketballAdding multiple 2-digit numbers word problemsAdding two digit numbers on a number lineAddition word problem: horsesMulti-step subtraction word problemAdding four two digit numbersMulti step addition word problemSubtraction word problem: crayons

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