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Student Instructions
I can solve a subtraction problem when the change is unknown.
Tap 
button.
Read the story problem or click the 
to listen to me read it to you.
Use the 
tool to move the counters onto the picture if you would like.
Use the 
or 
tool to record your answer.
Use the 
to tell me how you used addition or subtraction to solve the equation.
Do all 3 pages. Click 
when you are done!
Teacher Notes (not visible to students)
Adapted and extended from Jessica Simbine’s original.
