Table of Contents

Unit Four Addition and Subtraction up to 999
 Lesson One Addition Using Mental Math
 Lesson Two Addition up to 999 without Regrouping
 Lesson Three Addition up to 999 with Regrouping
 Lesson Four Subtraction up to 999 without Regrouping
 Lesson Five Subtraction up to 999 with Regrouping
 Lesson Six Addition and Subtraction Problems

Unit Five Multiplication
 Lesson One Repeating Addition and Multiplication
 Lesson Two Multiplication Facts by 10
 Lesson Three Multiplication Facts by 5
 Lesson Four Multiplication Facts by 2
 Lesson Five Multiplication Facts by 4
 Lesson Six Multiplication Facts by 3
 Lesson Seven Multiplication Facts by 1
 Lesson Eight Multiplication Problems

Unit Six Division
 Lesson One Division by Equal Sharing
 Lesson Two Division and Multiplication
 Lesson Three Division Problems

Unit Seven Measurement
 Lesson One Measuring Lengths by NonStandard Units
 Lesson Two Standard Units of Measuring Lengths
 Lesson Three Estimating Time
 Lesson Four Time
 Lesson Five Money