mth 121 exam 3 review -1 - MTH 121Exam 3 Review Chapter 5&6...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
MTH 121—Exam 3 Review Chapter 5&6 Exam reviews are not comprehensive. Review homework and worksheets. 1. Define Prime number. Define Composite number. 2. Factor 640 into primes using a factor tree. 3. Give 3 equivalent fractions for 4 6 . Shade a rectangular array for each. 4. Find 2 fractions between 7 13 and 9 . What property is this? 5. Give a count of the number of factors 3,000 has. DO NOT LIST THEM. 6. Find a number with prime factors 3 and 7, and has 9 factors in all. 7. The next question tests your knowledge of the divisibility rules. Check to see if the number 4,572 is divisible by the following: Divisible by Y/N Reason based on memorized divisibility rules 2 3 4 6 8 9 11
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8. Find the greatest common factor of 24 and 40 using the prime factorization method. 9. Find the GCF (138,102) Show work to indicate that you used the “calculator” (Euclidean) algorithm. 10. Find the least common multiple of 20 and 15. (Any method) 11. Find the LCM of 2 3 x 3 4 and 3 2 x 7 2 .
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/11/2011 for the course MTH 121 taught by Professor Staff during the Spring '11 term at Moraine Valley Community College.

Page1 / 6

mth 121 exam 3 review -1 - MTH 121Exam 3 Review Chapter 5&6...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online