Lesson 4

Mass vs. Volume: Proportions and Density

Est. Class Sessions: 4–5

Daily Practice and Problems

Teacher Notes
X

TIMS Task

One possible factor tree is given for each number.



  1. 24 × 32 × 52 = 3600


  2. 7 × 24 × 52 = 2800


  3. 53 × 22 × 32 = 4500

V. Prime Factors

Write each of the following numbers as a product of primes using exponents. Use factor trees to organize your work.

  1. 3600
  2. 2800
  3. 4500