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→How do we know the student understands?
*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 for > 70% of the questions the student initially over-paid, they immediately follow up with a correct payment.
*subtraction can be determined if for > 70% of the questions the student initially over-paid, they immediately follow up with a correct payment.
*If a student overpays and then increases their payment, or underpays, followed by an even lower payment it can be inferred the student does not understand the concepts of addition or subtraction.
*If a student overpays and then increases their payment, or underpays, followed by an even lower payment it can be inferred the student does not understand the concepts of addition or subtraction with money.
**If for > 20% of the questions the student makes this mistake. He or she gets a "no" for addition and subtraction.
**If for > 20% of the questions the student makes this mistake. He or she gets a "no" for addition and subtraction.