A student writes 5y*3 to model the relationship the sum of 5y and 3. explain the error
2 answers:
5y*3
This models the relationship as 5y times 3
But the question says to model the relationship as 5y plus 3.
Therefore, the right answer is 5y+3
!!!HOPE THIS HELPS!!!
So,
5y*3 is the open phrase the student uses to model "the sum of 5y and 3".
"The sum of" means addition. The student put 5y*3, while the sum of 5y and 3 is actually 5y + 3.
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