Dimensions Math Textbook 3A

Dimensions Math® Textbook 3AChapter 1: Numbers to 10,000 Lesson 1: Numbers to 10,000Lesson 2: Place Value — Part 1Lesson 3: Place Value — Part 2Lesson 4: Comparing NumbersLesson 5: The Number LineLesson 6: Practice ALesson 7: Number PatternsLesson 8: Rounding to the Nearest ThousandLesson 9: Rounding to the Nearest HundredLesson 10: Rounding to the Nearest TenLesson 11: Practice BChapter 2: Addition and Subtraction — Part 1 Lesson 1: Mental Addition — Part 1Lesson 2: Mental Addition — Part 2Lesson 3: Mental Subtraction — Part 1Lesson 4: Mental Subtraction — Part 2Lesson 5: Making 100 and Making 1,000Lesson 6: Strategies for Numbers Close to HundredsLesson 7: Practice ALesson 8: Sum and DifferenceLesson 9: Word Problems — Part 1Lesson 10: Word Problems — Part 2Lesson 11: 2-Step Word ProblemsLesson 12: Practice BChapter 3: Addition and Subtraction — Part 2 Lesson 1: Addition with Regrouping Lesson 2: Subtraction with Regrouping — Part 1Lesson 3: Subtraction with Regrouping — Part 2Lesson