Problem Solving 2nd Grade.

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Presentation transcript:

Problem Solving 2nd Grade

2nd Grade Problem Solving Standard 2.OA.1 Use addition and subtraction within 100 to solve one-and two-step word problems involving situations adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. 2nd Grade Problem Solving Standard

Addition and Subtraction Equations A. 8+6 = __ B. __= 8+6 Missing Sum C. 8+__=14 D. 14=8+__ Missing 2nd Addend E. __+6=14 F. 14=__+6 Missing 1st Addend Subtraction A. 14 - 6 = __ B. __= 14 - 6 Missing Difference C. 14 - __ =8 D. 8=14 - __ Missing Subtrahend E. __ - 6 =14 F. 8=__ - 6 Missing Minuend Addition and Subtraction Equations

Step 1: Read the entire problem and underline the question. Step 2: Rewrite the question as a statement. Step 3: Draw your model Step 4: Solve your equation. Step 5: Check and fill in your answer Problem Solving Steps

Student Examples

Helpful Tips Online Problem Solving Websites: http://www.kidsmathgamesonline.com/problemsolving.html http://mathwire.com/problemsolving/probsk12.html Games: Missing Addend Card Game Helpful Tips