Pre-Algebra Demystified

INDEX 289

negative numbers 17
numbers
integer 17
irrational 183
positive 17
negative 17
rational 98
real 183
numerator 38
numerical coefficient 127

operation 4
opposite 18
order of operations 32–35
ordered pair 203
ordinate 203
origin 17

parallel lines 225
parallelogram 166
parentheses 132–133
partial product 7
percent 105–125
changing to a decimal 106–107
changing to a fraction 111–112
three types of problems 112–119
solving by circle method 112–119
solving by equations 147–149
solving by proportions 159–160
perimeter 166–170
rectangle 167
square 168
triangle 167
period 2
Pi () 169
place value 1, 83
plane 165
point 165
polynomials
addition 234–235
definition 233
division by a monomial 247
multiplication 239–245
subtraction 235–236
product 7
proper fraction 39
proportion 154–156

pyramid 176

Pythagorean theorem 183–185

quadrant 203

quotient 9

radius 166

raising a monomial to a power 238–239

rate 112

ratio 153–154

rational number 98

real number 183

reciprocal 68

rectangle 166

rectangular coordinate plane 203

rectangular solid 176

reducing fractions 39–41

remainder 5, 9

repeating decimal 94–96

right member 135

right triangle 183

root 135

rounding

decimals 85

whole numbers 3–4

slope 221–225

solving equations 135–143

sphere 176

square 166

squaring a binomial 242–243

square root 182–183

subtraction

decimals 87–88

fractions 59–61

integers 24–25

like terms 131

mixed numbers 61–64

polynomials 235–236

whole numbers 5–6

subtraction principle 136

subtrahend 5

system of linear equations 225–228

consistent 225–226

dependent 225–226

inconsistent 225–226

independent 225–226