Math 140 Unit Three: Rational Numbers



Resources: Billstein: Sections 4-3, 4-4, 4-5; Chapter 5, Sections 6-1, 6-2

Dolan: Chapter 4 - 11; Chapter 4 activities 1,2,6,7,8

Supplement: Unit Two

Schedule: (Note Oct. 13 and 15 correct error on Unit Two syllabus.)

October 8: Unit Two Test

October 13: Project #2 due - Supplement: 2-10 through 2-13.

Read Chapter 4: Sections 3 and 4

October 15: Quiz #2: whole numbers and integers. Read Chapter 4: Sections 5

October 20: Read Chapter 5, Sections 1 and 2

October 22 Last day to redo any Unit One test questions. HW # 5 due; read Chapter 5 section 3.

October 27: Project # 3 due: Fraction Concepts Supplement p 3-13 through 3-19;

Journal Number 2 due; read Chapter 6 - Sections 1 and 2.

October 29: Homework #6 due.

Nov. 3: Unit Three Extra Credit due

Nov. 5: Unit Three test.

Nov. 12: Last day to redo any Unit Two test questions.

Homework Number Five:

Section 4-3: Problems 12, 37,38 Section 4-4: Problems 4, 27, 38 Section 4-5: Problems 8, 10, 12, 14 Section 5-1: Problems 2, 16, 29; Section 5-2: Problems 4,7

Homework Number Six:

Section 5-2: Problems 17, 26; Section 5-3: Problems 12, 14, 19, 24 ,29b; Section 6-1: 10,28, Section 6-2: Problems 5, 8, 16, 25, 26c, 32

Practice:

Section 4-3: Problems 1, 3b, 17, 24

Section 4-4: Problems 1c, 1e, 2, 3a, 8, 9a, 14, 28

Section 4-5: Problems 1c, 2a, 3c, 4c, 7a, 11, 20, 22, 25

Section 5-1: Problems 4, 5, 9, 10a, 14, 18, 22a,23a, 24c, 41, 43

Section 5-2: Problems 5, 9, 10a, 14, 18, 22a, 23a, 24c, 41, 43

Section 5-3: Problems 1a, 2c, 7,8.9,11,13, 16-18, 20, 23, 29,30, 34, 46, 47

Section 6-1: Problems 1, 8, 13, 14

Section 6-2: Problems 11, 13, 15, 24d, 40

Unit 3 Extra Credit: 1. Do Brainteasers on page 208, 211, 277. 285.

2. Use your calculator to help you multiply:

123,456,789 X 123, 456,789. The answer must be exact.