1. 9-13 IB Algebra Bell Ringer Example

2. 9-13 IB Algebra Agenda IB Algebra- 1) Practice (Gr) 7min 2) Practice (Gr) 7min 3) Share/Questions (Gr) 9min 4) Practice (Gr) 7min 5) Practice (Gr) 7min 6) Share/Questions 9min (Gr) 7) Exit Activity (Ind) 5min HW: 1) Carnegie 8.4

3. 9-13 IB Algebra Exit Activity

4. 9-13 PreAlgebra Bell Ringer 1. Write the prime factorization of each number. Write the prime factors without exponents. a) 21 b) 42 a) 21 b) 42 c) 30 d) 54 c) 30 d) 54 2. Look at your answers for 21 and 42 above. Do the numbers share any factors? What is the largest factor that the numbers share? 3. Look at your answers for 30 and 54 above. Do the numbers share any factors? What is the largest factor that both numbers share? 4. Look at your answers for all four numbers in Question 1 above. What is the largest factor that all of the numbers share?

5. 9-13 Pre Algebra Agenda PreAlgebra 1) Bell Ringer (Ind) 2) Pass out Papers 3) Carnegie 1.3, 1.4 and 1.5 (Gr) HW:1)