Table of Contents

Unit 7 • Dividing by 1Digit NonZero Divisor and by 2Digit Divisors
 Chapter 16 • Developing Division Number Sense
 Chapter 17 • Extending Division

Unit 8 • Using Geometry
 Chapter 18 • Exploring Solids, Triangles, and Other Polygons
 Chapter 19 • Exploring Quadrilaterals
 Chapter 20 • Exploring Perimeter, Area and Volume

Unit 9 • Fractions
 Chapter 21 • Understanding Fractions

Chapter 22 • Extending Fraction Concepts
 Equivalent Fractions Using Models
 Equivalent Fractions Using Division
 Simplifying Fractions Using Common Factors
 Comparing Proper Fractions
 Comparing Fractions Using Models
 Comparing Fractions Using Models: Same Denominator
 Comparing Fractions Using Models: Same Numerator
 Equivalent Fractions Using Multiplication

Unit 10 • Fraction Operations
 Chapter 23 • Adding Fractions
 Chapter 24 • Subtracting Fractions

Unit 11 • Decimal Numbers and Metric Measurement
 Chapter 25 • Understanding Decimals and Decimal Numbers
 Chapter 26 • Adding and Subtracting Decimal Numbers
 Chapter 27 • Using Metric Measurement

Unit 12 • Probability
 Chapter 28 • Probability