1. Pre-Algebra Bellwork August 15 – August 19

2. Bellwork 8/15/11 Solve and show work! Hint: Plug in for x 1. 3x (for x = 2) 2. 2x + 1 (for x = 4) 3. x/2 (for x = 12) 4. 6 + x (for x = 17)

3. Bellwork 8/16/11 Solve and Show Work! Hint: Plug in for variables. 1. 2x + 3y (for x = 1 & y = 4) 2. 4x – 2y (for x = 4 & y = 2) 3. X – y (for x = 13 & y = 9) 4. 4y + 2 (for y = 3)

4. 1. Y + 5 (for y = 6) 2. Z – 2x (for z = 23 & x = 3) 3. Xy (for x = 3 & y = 4) 4. 3z – 3y (for z = 23 & y = 6) Bellwork 8/17/11 Solve and Show Work! Hint: Plug in for variables.

5. Bellwork 8/18/11 Solve using inverse operation and show work! 1. 2x = 14 2. 4x = 24 3. = 4 4. = 9

6. Bellwork 8/19/11 Solve using inverse operation and show work! 1. X + 2 = 19 2. X – 4 = 19 3. 6x = 42 4. = 8