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Questions and Answers
What is the error called when a student takes the smaller digit from the larger one instead of regrouping?
What is the error called when a student takes the smaller digit from the larger one instead of regrouping?
Smaller From Larger
When regrouping from zero, what mistake does a student make if they change the 0 to a 9 without regrouping from the next digit to the left?
When regrouping from zero, what mistake does a student make if they change the 0 to a 9 without regrouping from the next digit to the left?
Regroup From Zero
What is the error called when a student regroups from the leftmost digit instead of the digit immediately to the left?
What is the error called when a student regroups from the leftmost digit instead of the digit immediately to the left?
Always Regroup Left
If the top digit is 0, what mistake does a student make when writing down the bottom digit as the column answer?
If the top digit is 0, what mistake does a student make when writing down the bottom digit as the column answer?
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What error occurs when a student skips regrouping in a column that requires it?
What error occurs when a student skips regrouping in a column that requires it?
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What is the mistake called when a student does not regroup across a 0, but changes it to a 10 instead of 9?
What is the mistake called when a student does not regroup across a 0, but changes it to a 10 instead of 9?
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What error is made when a student decrements correctly during regrouping, but writes 0 as the answer instead?
What error is made when a student decrements correctly during regrouping, but writes 0 as the answer instead?
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When a student regroups from zero and changes the 0 to a 9, but fails to regroup from the next digit to the left, what common error is committed?
When a student regroups from zero and changes the 0 to a 9, but fails to regroup from the next digit to the left, what common error is committed?
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If a student takes the smaller digit from the larger one instead of regrouping, what is this subtraction algorithm error known as?
If a student takes the smaller digit from the larger one instead of regrouping, what is this subtraction algorithm error known as?
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What is the mistake called when a student regroups from the leftmost digit instead of the digit immediately to the left during subtraction?
What is the mistake called when a student regroups from the leftmost digit instead of the digit immediately to the left during subtraction?
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When a student writes down the bottom digit as the column answer, instead of regrouping, what error is being made?
When a student writes down the bottom digit as the column answer, instead of regrouping, what error is being made?
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What error occurs when a student does not regroup across a 0, but changes it to a 10 instead of 9?
What error occurs when a student does not regroup across a 0, but changes it to a 10 instead of 9?
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