CHAPTER TWOSections 1, 2, 3, 5, 7

GETTING STARTED, P. 67 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.

14. 15. 16. 17.

18.

19.

20. 21. 22. 23.

SQUARE NUMBERS… LIVE’EM, LEARN’EM, LOVE’EM 12= 22= 32= 42= 52= 62= 72= 82= 92= 102=

112= 122= 132= 142= 152= 162= 172= 182= 192= 202=

VOCABULARY Absolute value

Additive inverse

Positive number

Frequency

Integers

Irrational number

VOCABULARY Line plot

Measures of central tendency

Natural number

Negative number

opposites

Perfect square

VOCABULARY Principal square root

Probability

Rational number

Stem and Leaf Plot

Real number

Infinity

Square root

Whole number

TREE MAPREAL NUMBER SYSTEM

TRUE OR FALSE? If a number is rational, then it is a whole

number.

If a number is natural, then it is a whole number.

If a number is an integer, then it is a rational number.

All natural numbers are integers.

TRUE OR FALSE?

All rational numbers are real numbers.

All irrational numbers are whole numbers.

All irrational numbers are decimals.

All decimals are irrational numbers.

All fractions are irrational numbers.

REAL NUMBERS

Real Numbers Questions

Real Numbers Chart

Homework: The Real Number System ½ worksheet

2-1 Rational Numbers on a Number Line and Absolute Value (worksheet in class in small collaborative groups)

2-2 Adding and Subtractive Rational Numbers (worksheet in class in small collaborative groups)

2-3/2-4 Multiplying and Dividing Rational Numbers (worksheet in class in small collaborative groups- finish for homework)This section continued on the next slide

SIMPLIFYING EXPRESSIONS

Distribute the multiplication OR the division to each piece

Combine like terms Examples:

2-6 SIMPLE PROBABILITY AND ODDS

Probability: What you want What you got

P(6)=

P(even)=

P(less than 5)=

Odds What you wantWhat you don’t want

Odds(6)=

Odds(even)=

Odds(less than 5)=

PROBABILITY/ODDS P. 99 #14-48 EVENS

14.16.18.20.22.24.26.28.30.

32.34.36.38.40.42.44.46.48.

2-7 SQUARE ROOTS AND REAL NUMBER (LAST SECTION)

WORKSHEET 2-7 1. 8 2. -9 3. 4.1

4. ±10 5. -2/5 6. -11 7. ±5/12 8. -5/4

9. ±11/10 10. -60 11. -2.5 12. ±0.02 13. 12/14 14. -6/7 15. ±1.1

1. Nat, Wh, In, Rat 2. Rat 3. Rat 4. Irrat 5. Rat 6. Nat, Wh, In, Rat 7. Rat 8. Irr

9. -5, -3/4, 7/4, √25 10. -0.3131…, √0.09, 3/5

11. -1.25, -1/4, 0.05, √5 12. -3.11, -2, 5/4, √124

13. - √1.44, -0.25, 1/5 14. -9/5, 0.35, √5, 21/3

TEST STUDY GUIDE 2-1 & 2-7 True or false questions about

the real number system (4) 2-1 & 2-7 Identify which set numbers

belong to in the real number system (4) 2-1 Find absolute value within

expressions (4) 2-3 & 2-4 Multiplying and Dividing

Rational Numbers (simplifying expressions) (6)

2-6 Simple Probability and Odds (4 of each)

2-7 Find square roots (5 of each) 2-7 Write sets of numbers in order from

least to greatest (3)

2-1 & 2-7

TEST STUDY GUIDE p. 823

lesson 2-1 #11-14lesson 2-3 #13-18

p. 824lesson 2-4 #13-20lesson 2-6 #7-18

p. 825 lesson 2-7 #1-16, then order #9 – 12

from least to greatest, then order #13 – 16 from least to greatest