Subtracting Polynomials Answer Key | 7-1 Additional Practice Adding And
Now, during the last five minutes of class, Ms. Kellar had stepped into the hall to take a call. The answer key was right there. One quick flip. A single glance.
Slowly, deliberately, Leo turned the page of his own notebook. He crossed out his first attempt on problem #7. He rewrote the subtraction vertically, aligning the like terms: Now, during the last five minutes of class, Ms
The next morning, she returned the graded practice. Red checkmarks on 1, 3, 4, 5, 6… and a small, perfect check on #7. 6… and a small
Leo passed his. He hadn’t checked the key. He had no idea if his answer was right. Now, during the last five minutes of class, Ms








