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→How do we know the student understands?
*In order to get around this, perfectly reasonable, fail-proof design of the game we need to record information each time the user hits the submit button. We do this because the steps the student takes to correct an incorrect answer is extremely valuable.
*In order to get around this, perfectly reasonable, fail-proof design of the game we need to record information each time the user hits the submit button. We do this because the steps the student takes to correct an incorrect answer is extremely valuable.
*addition can be determined if a student gets > 70% of the questions correct on their first attempt.
*addition can be determined if a student gets > 70% of the questions correct on their first attempt.
*Subtraction can be determined if
*Subtraction can be determined if for > 70% of the questions the student initially over-paid, they immediately follow up with a correct payment.