CliffsNotes Parent's Crash Course Elementary School Math (Cliffsnotes)

✍ Scribed by David Alan Herzog

• Year: 2005
• Tongue: English
• Leaves: 266
• Edition: 1
• Category: Library

✦ Synopsis

Is helping your kids with elementary math homework a problem? 6,234 + 5,893 + 475 + 872 = What is the greatest common factor for 140 and 175? Find the percentage: 25,000 cheering for the home team in an arena holding 40,000 fans (8) + (-7) + (12) + (-11) + (15) + (-9) = Express 343 in terms of its simplest base and exponent form.(See answers at bottom of page)It's probably been awhile since you took math, and math is taught differently today. So when your kids need help with the dreaded math homework, you may be pressed to remember some of the basics in addition to being pressed for time!CliffsNotes Parent's Crash Course Elementary School Math is the answer! This one-of-a-kind book features: Practical organization that helps you get up to speed quickly A table of contents that makes it easy to find the specific help you and your child need 58 different lessons explained in two- to three-page units Quick explanations of essential terms at the beginning of each chapter Factoids that get your kids more interested Exercises and answers at the end of many lessons An appendix containing flashcards for added practiceThe book covers math concepts and principles taught in elementary school, including: Whole numbers Decimals Fractions Percents Integers Powers, exponents, and roots Powers of ten Measurements Geometry Adding and subtracting Multiplying and dividingAnswers: 13,474 35 62.5 8 73

✦ Table of Contents

CliffsNotes Parent’s Crash Course: Elementary School Math......Page 3
Introduction: Combining and Uncombining......Page 14
Part 1: Whole Numbers......Page 17
Terms You Should Know......Page 18
Lesson 1: Order and Magnitude......Page 20
Lesson 2: Addition Facts......Page 22
Lesson 3: Subtraction Facts......Page 24
Lesson 4: Multiplication Facts......Page 26
Lesson 5: Division Facts......Page 28
Lesson 6: Place Value......Page 30
Lesson 7: Place Value Addition......Page 35
Lesson 8: Place Value Subtraction......Page 42
One-Digit by Two-Digit......Page 48
Two-Digit by Two-Digit......Page 49
Two-Digit by Three-Digit......Page 50
Three-Digit by Three-Digit......Page 52
Lesson 10: Place Value Division......Page 54
Remainders......Page 56
Estimating Quotients......Page 57
Estimating for Addition......Page 60
Estimating for Subtraction......Page 61
Second Chances......Page 62
Estimating Large Products......Page 66
Mental Division......Page 71
Short Division......Page 72
Estimating Large Quotients......Page 73
Prime Numbers......Page 76
Divisibility Tests......Page 77
Part 2: Fractions......Page 81
Terms You Should Know......Page 82
Fraction as Part of a Whole......Page 84
Fraction as Part of a Group......Page 86
Fraction as a Whole......Page 87
Fraction as a Division......Page 88
Proper versus Improper......Page 89
Common Equivalent Fractions......Page 90
Creating Equivalent Fractions......Page 92
GCF (Greatest Common Factor)......Page 94
Reducing......Page 95
Common Multiples......Page 97
Factor Trees Return......Page 99
Lesson 19: Subtracting Fractions......Page 102
Lesson 20: Multiplying Fractions......Page 104
Reciprocal Multiplication......Page 106
Multiplying Fractions......Page 110
Dividing Fractions......Page 111
Lesson 23: Mixed Numbers......Page 114
With Unlike Denominators......Page 116
Three or More......Page 117
The Larger Fraction’s in the Denominator......Page 120
Multiplying Mixed Numbers......Page 124
Dividing Mixed Numbers......Page 125
Extending Place Value......Page 128
Some Common Decimal Fractions......Page 129
Money......Page 130
A Jagged Affair......Page 132
Three and More Numbers......Page 133
The Less Obvious Part......Page 134
Lesson 30: Multiplying Decimals......Page 137
Lesson 31: Dividing Decimals......Page 139
Lesson 32: Percent Fractions......Page 141
Percent to Common Fraction......Page 142
Decimals, Common Fractions, and Percents......Page 143
Taking a Percent of Something......Page 146
Finding the Percentage......Page 147
Determining the Original......Page 148
Part 3: Some Esoteric Stuff......Page 151
Terms You Should Know......Page 152
Arithmetic Mean......Page 153
Median......Page 154
Mode......Page 155
Lesson 35: Integers......Page 157
Positive Plus Positive......Page 160
Positive Plus Negative......Page 161
Three or More Addends......Page 162
Lesson 37: Subtracting Integers......Page 164
Subtracting a Negative......Page 166
Unlike Signs......Page 168
Extending the Pattern......Page 170
Multiplying and Dividing Exponential Terms......Page 172
Place-Headings as Powers of 10......Page 173
Numbers Greater than One......Page 176
Numbers Less than One......Page 177
Undoing Scientific Notation......Page 178
Perfect Squares......Page 180
Cube Roots......Page 181
Roots......Page 182
Part 4: Geometry and Measurement......Page 185
Terms You Should Know......Page 186
Traditional Units of Measure......Page 189
SI Units (Often Called “the Metric System”)......Page 191
Multiplier Prefixes......Page 194
Converting SI Units......Page 195
Lesson 45: Linear Measure......Page 196
Lesson 46: Mass and Weight......Page 199
Celsius, Once Called Centigrade......Page 201
Kelvin a.k.a. Absolute......Page 202
Converting to and from Fahrenheit......Page 203
Quadrilaterals......Page 206
Triangles......Page 208
Lines and Segments Related to Circles......Page 212
Perimeter of a Circle......Page 213
Area of a Circle......Page 215
Surface Area......Page 217
Volume of a Cube......Page 220
Surface Areas of Right Prisms......Page 222
Volume of a Prism......Page 224
Traditional Measures of Capacity......Page 228
SI Units of Capacity......Page 229
Surface Area of a Cylinder......Page 232
Volume of a Cylinder......Page 233
Pyramids......Page 235
Cones......Page 238
Spheres......Page 239
Lesson 55: Minding One’s Ps and Qs......Page 242
Lesson 56: Liter, Not Litter......Page 245
Lesson 57: FOO......Page 247
Tossing a Coin......Page 249
Spinners......Page 250
Dependent Probabilities......Page 252
Appendix: More Help for Your Student......Page 255
Postman Stories......Page 256
Flash Card Templates for Multiplication and Division......Page 257