2.OA.1
Use strategies to add and subtract within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions.
Example Problems
Write an equation to represent the following statement, and solve for x:
Write an equation to represent the following statement, and solve for x:
x divided by 9 is 5
x divided by 9 is 5
Write an equation to represent the following statement, and solve for x:
One-half of x is 9
One-half of x is 9
Khan Academy ResourcesSolve problems with picture graphsAdd 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 problemsLength word problemsSolve problems with line plotsAdding up to four 2-digit numbersUnderstand even and odd numbers visually2-step addition word problems within 100Solve problems with bar graphsLength word problem (US customary)Addition word problems within 100Adding and subtracting on number line word problemsSubtraction word problem: basketballAdding multiple 2-digit numbers word problemsUnderstanding even and odd numbers visuallyAdding two digit numbers on a number linePicture graphsAddition word problem: horsesLength word problemsMulti-step subtraction word problemAdding four two digit numbersMulti step addition word problemSubtraction word problem: crayonsLength word problem example (US Customary)

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