Introduction to Model Drawing Elissa Scillieri
How would you do this?
What is Model Drawing? A tool used to help students visually represent word problems.
Why Model Drawing? Helps students visualize mathematics Requires students to show their thinking Addresses Mathematical Practices: #2: Reason abstractly and quantitatively. #3: Construct viable arguments and critique the meaning of others. #4: Model with mathematics.
Reaching Conceptual Understanding Concrete Blocks, chips, etc. Pictorial Number lines, bar models, etc. Abstract Number sentences (equations)
First Grade Word Problem
Introducing Model Drawing
Now you try!
A Challenge!
4 Steps for Problem Solving 1.Read the problem. 2.Write the answer sentence. 3.Work bit-by-bit to model the problem. 4.Do the math.
Use the 4 Steps to Solve This Problem:
A Two-Step Problem
Another Two-Step Problem
How would you draw a model for this problem?
A Challenge
Model this problem:
Be careful showing this problem:
A Challenge
Using models to show fractional parts:
Are you smarter than a 5th grader?