Algebra Tiles Activity 1: Adding Integers
Algebra Tiles Activity 1: Adding Integers
Algebra Tiles Activity 1: Adding Integers
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EXPLORING ADDING AND SUBTRACTING POLYNOMIALSNY Standards: 8.A.5, 7, 8; A.A.13x 2 = –x 2 = x = –x = +1 = –1 =blue red green red yellow redAdd and subtract by combining like terms and by using “adding zero” where needed.Ex. (2x 2 + x + 3) + (x 2 – 3x + 1)+Form a zero pair with +x and –x.= 3x 2 – 2x + 40Try these:1. (2x 2 + 3x + 3) + (x 2 + 2x – 2)2. (3x 2 + 4x – 3) + (4x 2 – 2x – 4)3. (x 2 + 3x – 4) – (2x 2 + 2x – 3)4. (5x 2 – 2x + 1) – (x 2 +2x – 4)5. (2x 2 + x + 3) – (x 2 + 2x – 2)6. (-3x 2 + 4x + 3) + (3x 2 – 3x – 5)
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