Pre-Algebra textbook answersISBN: 9780078885150
Author: Glencoe McGraw-Hill
Published: 2010

Chapters: 1 2 3 4 5 6 7 8 9 10 11 12 13

Chapter 0

Start Smart: Preparing For Pre-Algebra

Pretest p.P4
1 A Plan for Problem Solving Exercises p.P7
2 Problem-Solving Strategies Exercises p.P10
3 Number and Operations Exercises p.P13
4 Algebra Exercises p.P15
5 Geometry Exercises p.P17
6 Measurement Exercises p.P19
7 Data Analysis Exercises p.P21
Posttest p.P22

Chapter 1

The Tools Of Algebra

Get Ready for Chapter 1 p.3
1 Words and Expressions Exercises p.7
2 Variables and Expressions Algebra Lab: Rules and Expressions p.10
Exercises p.14
Spreadsheet Lab: Expressions and Spreadsheets p.17
3 Properties Exercises p.21
Mid-Chapter Quiz p.24
4 Ordered Pairs and Relations Exercises p.28
5 Words, Equations, Tables, and Graphs Algebra Lab: Relations and Functions p.31
Exercises p.35
TI-nspire Calculator Lab p.38
6 Scatter Plots Algebra Lab: Scatter Plots p.39
Exercises p.42
Graphing Technology Lab: Scatter Plots p.48
Study Guide and Review p.49
Practice Test p.53
Standardized Test Practice p.56

Chapter 2

Operations With Integers

Get Ready for Chapter 2 p.59
1 Integers and Absolute Value Exercise p.64
2 Adding Integers Algebra Lab: Adding Integers p.68
Exercises p.72
3 Subtracting Integers Algebra Lab: Subtracting Integers p.75
Exercises p.78
Mid-Chapter Quiz p.81
4 Multiplying Integers Algebra Lab: Multiplying Integers p.82
Exercises p.86
5 Dividing Integers Algebra Lab: Dividing Integers p.89
Exercises p.92
6 Graphing in Four Quadrants Exercises p.98
7 Translations and Reflections on the Coordinate Plane Exercises p.104
Study Guide and Review p.107
Practice Test p.111
Standardized Test Practice p.114

Chapter 3

Operations With Rational Numbers

Get Ready for Chapter 3 p.117
1 Fractions and Decimals Algebra Lab: Fractions and Decimals on the Number Line p.120
Exercises p.124
2 Rational Numbers Exercises p.130
3 Multiplying Rational Numbers Exercises p.136
Mid-Chapter Quiz p.140
4 Dividing Rational Numbers Exercises p.144
5 Adding and Subtracting Like Fractions Exercises p.150
6 Adding and Subtracting Unlike Fractions Exercises p.155
Study Guide and Review p.159
Practice Test p.163
Standardized Test Practice p.166

Chapter 4

Expressions And Equations

Get Ready for Chapter 4 p.169
1 The Distributive Property Exercises p.173
2 Simplifying Algebraic Equations Algebra Lab: Simplifying Algebraic Expressions p.177
Exercises p.180
3 Solving Equations by Adding or Subtracting Exercises p.187
Mid-Chapter Quiz p.190
4 Solving Equations by Multiplying or Dividing Exercises p.194
5 Solving Two-Step Equations Algebra Lab: Solving Two-Step Equation Using Algebra Tiles p.197
Exercises p.202
6 Writing Equations Exercises p.207
Study Guide and Review p.210
Practice Test p.213
Standardized Test Practice p.216

Chapter 5

Multi-Step Equations And Inequalities

Get Ready for Chapter 5 p.219
1 Perimeter and Area Exercises p.223
Spreadsheet Lab: Perimeter and Area p.227
2 Solving Equations with Variables on Each Side Algebra Lab: Equations with Variables on Each Side p.228
Exercises p.231
3 Inequalities Exercises p.237
Mid-Chapter Quiz p.240
4 Solving Inequalities Exercises p.244
5 Solving Multi-Step Equations and Inequalities Exercises p.251
Study Guide and Review p.254
Practice Test p.257
Standardized Test Practice p.260

Chapter 6

Ratio, Proportion, And Similar Figures

Get Ready for Chapter 6 p.263
1 Ratios Exercises p.266
2 Unit Rates Exercises p.272
3 Converting Rates and Measurements Exercises p.278
4 Proportional and Nonproportional Relationships Exercises p.283
Mid-Chapter Quiz p.286
5 Solving Proportions Exercises p.290
Algebra Lab: Inverse Proportions p.293
6 Scale Drawings and Models Exercises p.297
7 Similar Figures Geometry Lab: Similar Figures p.300
Exercises p.303
8 Dilations Exercises p.309
9 Indirect Measurement Exercises p.314
Study Guide and Review p.318
Practice Test p.323
Standardized Test Practice p.326

Chapter 7


Get Ready for Chapter 7 p.329
1 Fractions and Percents Exercises p.334
2 Fractions, Decimals, and Percents Exercises p.340
3 Using the Percent Proportion Algebra Lab: Using a Percent Model p.343
Exercises p.347
4 Find Percent of a Number Mentally Exercises p.353
Mid-Chapter Quiz p.356
5 Using Percent Equations Exercises p.360
6 Percent of Change Algebra Lab: Modeling Percents and Change p.363
Exercises p.366
7 Simple and Compound Interest Exercises p.372
Spreadsheet Lab: Compound Interest p.375
8 Circle Graphs Exercises p.378
Study Guide and Review p.382
Practice Test p.387
Standardized Test Practice p.390
Get Ready for Chapter 8 p.393

Chapter 8

Linear Functions And Graphing

1 Functions Exercises p.397
2 Sequences and Equations Exercises p.403
3 Representing Linear Functions Exercises p.409
4 Rate of Change Exercises p.415
5 Constant Rate of Change and Direct Variation Exercises p.422
Mid-Chapter Quiz p.425
6 Slope Graphing Technology Lab: Slope and Rate of Change p.426
Exercises p.429
Algebra Lab: Proportional and Nonproportional Linear Relationships p.432
7 Slope-Intercept Form Exercises p.435
Graphing Technology Lab: Family of Linear Graphs p.440
8 Writing Linear Equations Exercises p.444
9 Prediction Equations Exercises p.450
10 Systems of Equations Exercises p.455
Study Guide and Review p.458
Practice Test p.463
Standardized Test Practice p.465

Chapter 9

Powers And Nonlinear Functions

Get Ready for Chapter 9 p.469
1 Powers and Exponents Exercises p.473
2 Prime Factorization Exercises p.478
3 Multiplying and Dividing Monomials Exercises p.483
4 Negative Exponents Exercises p.488
Mid-Chapter Quiz p.492
5 Scientific Notation Exercises p.495
6 Powers of Monomials Exercises p.501
7 Linear and Nonlinear Functions Exercises p.506
8 Quadratic Functions Exercises p.512
Graphing Technology Lab: Family of Quadratic Functions p.515
9 Cubic and Exponential Functions Exercises p.518
Algebra Lab: A Half-Life Simulation p.521
Study Guide and Review p.522
Practice Test p.527
Standardized Test Practice p.530

Chapter 10

Real Numbers And Right Triangles

Get Ready for Chapter 10 p.533
1 Squares and Square Roots Algebra Lab: Squares and Square Roots p.535
Exercises p.540
2 The Real Number System Exercises p.546
3 Triangles Geometry Lab: Angles in a Triangle p.549
Exercises p.553
Mid-Chapter Quiz p.556
4 The Pythagorean Theorem Algebra Lab: The Pythagorean Theorem p.557
Exercises p.560
Algebra Lab: Graphing Irrational Numbers p.564
5 The Distance Formula Exercises p.568
6 Special Right Triangles Exercises p.574
Study Guide and Review p.577
Practice Test p.581
Standardized Test Practice p.584

Chapter 11

Distance And Angle

Get Ready for Chapter 11 p.587
1 Angle and Line Relationships Exercises p.592
2 Congruent Triangles Geometry Lab: Investigating Congruent Triangles p.596
Exercises p.601
3 Rotations Exercises p.608
4 Quadrilaterals Geometry Lab: Angles in Polygons p.611
Exercises p.614
5 Polygons Exercises p.620
Mid-Chapter Quiz p.623
6 Area of Parallelograms, Triangles, and Trapezoids Exercises p.627
7 Circles and Circumference Exercises p.633
8 Area of Circles Exercises p.638
9 Area of Composite Figures Exercises p.644
Spreadsheet Lab: Changes in Scale p.649
Study Guide and Review p.650
Practice Test p.655
Standardized Test Practice p.658

Chapter 12

Surface Area And Volume

Get Ready for Chapter 12 p.661
1 Three-Dimensional Figures Geometry Lab: Drawing Three-Dimensional Figures p.663
Exercises p.667
2 Volume of Prisms Geometry Lab: Volume p.670
Exercises p.673
3 Volume of Cylinders Exercises p.679
4 Volume of Pyramids, Cones and Spheres Geometry Lab: Volume of a Pyramid p.682
Exercises p.686
Mid-Chapter Quiz p.689
5 Surface Area of Prisms Geometry Lab: Surface Area of Prisms p.690
Exercises p.693
6 Surface Area of Cylinders Geometry Lab: Surface Area of Cylinders p.696
Exercises p.699
7 Surface Area of Pyramids and Cones Exercises p.705
8 Similar Solids Geometry Lab: Similar Figures p.708
Exercises p.712
Study Guide and Review p.716
Practice Test p.721
Standardized Test Practice p.724

Chapter 13

Statistics And Probability

Get Ready for Chapter 13 p.727
1 Measure of Central Tendency Algebra Lab: Analyzing Data p.729
Exercises p.733
Graphing Technology Lab: Mean and Median p.736
2 Stem-and-Leaf Plots Exercises p.739
3 Measures of Variation Exercises p.747
4 Box-and-Whisker Plots Exercises p.752
Graphing Technology Lab: Box-and-Whisker Plots p.756
5 Histograms Exercises p.759
Graphing Technology Lab: Histograms p.763
Mid-Chapter Quiz p.764
6 Theoretical and Experimental Probability Exercises p.768
7 Using Sampling to Predict Exercises p.773
8 Counting Outcomes Exercises p.779
Algebra Lab: Probability and Pascal's Triangle p.782
9 Permutations and Combinations Exercises p.785
10 Probability of Compound Events Graphing Technology Lab: Probability Simulation p.789
Exercises p.793
Algebra Lab: Simulations p.796
Study Guide and Review p.798
Practice Test p.803
Standardized Test Practice p.806

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