Top 50 SAT Math Skills, Third Edition Brian Leaf

Skill 1 Use the Answers 10

Skill 2 Algebraic Manipulation … “What Is p in Terms of f?” 12

Skill 3 “Mean” Means Average 14

Skill 4 The Six-Minute Abs of Geometry: Angles 16

Skill 5 The Six-Minute Abs of Geometry: Parallel Lines 18

Skill 6 The Six-Minute Abs of Geometry: Triangles 20

Skill 7 The Final Six-Minute Abs of Geometry 22

Skill 8 Math Vocab 24

Skill 9 More Math Vocab 26

Skill 10 Systems of Equations 28

Skill 11 Green Circle, Black Diamond: Slaloming Slope I 30

Skill 12 Green Circle, Black Diamond: Slaloming Slope II 32

Skill 13 The Sports Page: Using Tables and Graphs 34

Skill 14 Function Questions on the SAT, Type I 36

Skill 15 Function Questions on the SAT, Type II 38

Skill 16 Make It Real 40

Skill 17 Perimeter, Area, Volume 42

Skill 18 Donuts 44

Skill 19 Baking Granola Bars … Ratios 46

Skill 20 More Granola Bars … Proportions and Cross-Multiplying 48

Skill 21 Use the Diagram 50

Skill 22 Art Class 52

Skill 23 The Six-Minute Abs of Geometry: Length of a Side I 54

Skill 24 The Six-Minute Abs of Geometry: Length of a Side II 56

Skill 25 The Six-Minute Abs of Geometry: Length of a Side III 58

Nina the Ninja, Let’s Get Zen! A Yoga Posture for the SAT 60

Guided Relaxation 61

Skill 26 “Is” Means Equals … Translation 62

Skill 27 Just Do It! … Springboard 64

Skill 28 Beyond Your Dear Aunt Sally: The Laws of Exponents I 66

Skill 29 Far Beyond Your Dear Aunt Sally: The Laws of Exponents II 68

Skill 30 Your Algebra Teacher Never Said “y = ax + b” 70

Skill 31 Arrangements 72

Skill 32 Long Word No-Problems 74

Skill 33 May the Odds Be Ever in Your Favor… Probability 76

Skill 34 He’s Making a List … Median, Mode, and Range 78

Skill 35 y = ax² + bx + c 80

Skill 36 Circles 84

Skill 37 Hopscotch, Pigtails, and Remainders 86

Skill 38 Absolute Value 88

Skill 39 Sequences 90

Skill 40 Not So Complex Numbers 92

Skill 41 Don’t Even Think About It! … Most Common SAT Math Careless Errors I 94

Skill 42 Don’t Even Think About It! … Most Common SAT Math Careless Errors II 96

Skill 43 Misbehaving Numbers: Weird Number Behavior 98

Skill 44 Mathematical Trans formations 100

Skill 45 SohCahToa! 102

Skill 46 Beyond SohCahToa 104

Skill 47 Directly and Inversely Proportional 106

Skill 48 Rational Expressions 110

Skill 49 How to Think Like a Math Genius I 112

Skill 50 How to Think Like a Math Genius II 116