Table of Contents

Unit 1 • Place value—4Digit Numbers (1)
 Writing ThreeDigit Numbers in Various Forms
 Place Value of ThreeDigit Numbers
 Making ThreeDigit Numbers
 ThreeDigit Numbers on a Number Line
 Rounding to the Nearest Ten
 Rounding to the Nearest Hundred
 Thousands
 Writing FourDigit Numbers in Various Forms
 Place Value of FourDigit Numbers
 Making FourDigit Numbers
 FourDigit Numbers on a Number Line
 Roman Numerals from 1 to 100
 Unit 2 • Place Value—4Digit Numbers (2)

Unit 3 • Addition and Subtraction
 Column Addition of Numbers up to 10,000: No Regrouping
 Column Addition of Numbers up to 10,000: Regrouping
 Mental Addition of Numbers up to 10,000
 Column subtraction of Numbers up to 10,000: No Regrouping
 Column subtraction of Numbers up to 10,000: Regrouping
 Mental Subtraction of Numbers up to 10,000
 Estimating Sums and Differences: FourDigit Numbers
 Unit 4 • Measure—Perimeter

Unit 5 • Multiplication and Division (1)
 Multiplying by Multiples of 10 and 100
 Dividing Multiples of 10, 100, and 1000 by a OneDigit Number
 Multiplying by 1 and 0
 Division Rules for 0 and 1
 Multiplying by 6
 Dividing by 6
 Multiplying by 9
 Dividing by 9
 Multiplying by 7
 Dividing by 7
 Multiplying by 11
 Multiplying by 12
 Dividing by 11
 Dividing by 12
 Relating Multiplication and Division