Solving addition problems using Place Value as a Strategy! - Rubana and Elle.

Problem:

Joseph has a CD collection of 188 CD’s. For his birthday he gets another 157 CD’s. How many CD’s does he have in his collection?

Step 1: Read the problem.

Step 2: Put the problem into a equation.

           188+157 = ____

Step 3: Choose a Strategy. Place Value.

Step 4: Solve the equation.

           188 + 100 = 288

            288 + 50 = 338

            338 + 7 = 345

          

Learning Advise - Always keep/remember the big number.