AA. Factor Trees 
- Make a factor tree for
- Write a number sentence to show 28 as the product of all prime factors.
Lesson 9
Product Bingo
Est. Class Sessions: 2Daily Practice and Problems
Teacher Notes
X
TIMS Bit
or 
- 7 × 2 × 2 = 28
Ongoing Assessment
Use DPP item AA to assess students' fluency with prime factorization [E6].