Table of Contents

Section One • Number and Place Value
 Counting in TwentyFives
 Counting below Zero
 Place Value of FourDigit Numbers
 Writing FourDigit Numbers in Various Forms
 Making FourDigit Numbers
 More and Less: One, Ten, One Hundred, or One Thousand
 Comparing FourDigit Numbers
 Ordering FourDigit Numbers
 Rounding to the Nearest Ten
 Rounding to the Nearest Hundred
 Rounding to the Nearest Thousand
 Modeling Tenths
 Modeling Hundredths
 Unit Fractions
 Nonunit Fractions
 Roman Numerals from 1 to 100
 Word Problems: Multiplication and Division

Section Two • Calculations
 Column Addition of Numbers up to 10,000: No Regrouping
 Column Addition of Numbers up to 10,000: Regrouping
 Column subtraction of Numbers up to 10,000: No Regrouping
 Column subtraction of Numbers up to 10,000: Regrouping
 Checking TwoDigit Subtraction Problems by Adding
 Estimating Sums of TwoDigit Numbers: Rounding
 Estimating Differences between TwoDigit Numbers: Rounding
 Multiplying by 6
 Multiplying by 7
 Multiplying by 9
 Dividing by 6
 Dividing by 7
 Dividing by 9
 Multiplying by 11
 Multiplying by 12
 Dividing by 11
 Dividing by 12
 Multiplication Tables
 Relating Multiplication and Division
 Multiplying by 1 and 0
 Division Rules for 0 and 1
 Associative Property of Multiplication
 Mental Multiplication
 Factors Using Models
 Commutative Property of Multiplication
 Multiplying ThreeDigit Numbers by OneDigit Numbers: Adding Partial Products
 Multiplying a ThreeDigit Number by a OneDigit Number: Column Method

Section Three • Fractions and Decimals
 Hundredths as Fractions
 Equivalent Fractions Using Models
 Equivalent Fractions Using Multiplication
 Equivalent Fractions Using Division
 Adding Fractions with Like Denominators
 Subtracting Fractions with Like Denominators
 Nonunit Fractions of a Quantity
 Writing Tenths
 Writing Hundredths
 Place Value: Tenths and Hundredths
 Decimals on Number Lines: Tenths
 Decimals on Number Lines: Hundredths
 Comparing Decimals: Tenths and Hundredths
 Ordering Decimals: Tenths and Hundredths
 Converting Fractions to Decimals: Tenths and Hundredths
 Converting Decimals to Fractions: Tenths and Hundredths
 Dividing Whole Numbers by 10
 Dividing Whole Numbers by 100
 Rounding Numbers with One Decimal Place
 Comparing Decimals: Tenths and Hundredths
 Ordering Decimals: Tenths and Hundredths

Section Four • Measurement
 Kilometers
 Converting Units of Time: Hours, Minutes, and Seconds
 Converting Units of Time: Years, Months, Weeks, and Days
 Perimeter of Polygons
 Area: Nonstandard Units
 Area: Standard Units
 Area: Whole and Half Squares
 Fractions, Decimals, and Money
 Word Problems: Adding and Subtracting Money with Decimals
 Reading Clocks: Nearest Minute
 Time to the Nearest Minute: am and pm
 Telling Time in 24Hour Format
 Elapsed Time Within 12 Hours
 Section Five • Geometry
 Section Six • Statistics