c hapter t wo sections 1, 2, 3, 5, 7. g etting s tarted, p. 67 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11....
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CHAPTER TWOSections 1, 2, 3, 5, 7
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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.
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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=
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VOCABULARY Absolute value
Additive inverse
Positive number
Frequency
Integers
Irrational number
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VOCABULARY Line plot
Measures of central tendency
Natural number
Negative number
opposites
Perfect square
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VOCABULARY Principal square root
Probability
Rational number
Stem and Leaf Plot
Real number
Infinity
Square root
Whole number
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TREE MAPREAL NUMBER SYSTEM
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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.
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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.
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REAL NUMBERS
Real Numbers Questions
Real Numbers Chart
Homework: The Real Number System ½ worksheet
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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
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SIMPLIFYING EXPRESSIONS
Distribute the multiplication OR the division to each piece
Combine like terms Examples:
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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)=
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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.
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2-7 SQUARE ROOTS AND REAL NUMBER (LAST SECTION)
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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
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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
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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