3rd Grade, Math
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Guided Practice
Now, we will do a problem together. You can check your answer at the end.
Guiding Question
Kim has collected 415 baseball cards. Alicia has collected 117 baseball cards. How many baseball cards do they have together?
Solving the Problem
We can use place value models to solve this problem.
Step 1: State the Problem
To find out how many baseball cards they have together, we need to _____. Our problem is:
______ + _______ = ?
Step 2:
Use place value models to represent each number.
415 =
__
hundreds
___
tens
___
ones
117 =
___
hundreds
___
tens
___
ones
Step 3: Add the place value models together.
Together, we have =
___
hundreds
___
tens
___
ones
Step 4: Regroup to Solve the Problem
We can regroup our place value models to
___
hundreds
___
tens
___
ones
So,
___ + ___ = ___
Checking Your Answer
Please click here to check your answer.
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