Lesson 3. Unknown Numbers in Addition Unknown Numbers – – in Subtraction Lesson 4. Unknown Numbers in Multiplication Unknown – – Numbers in Division Lesson 5. Order of Operations, Part 1 – Lesson 6. Fractional Parts – Lesson 7. Lines, Segments, and Rays Linear Measure – – Lesson 8. Perimeter – Lesson 9. The Number Line: Ordering and Comparing – Lesson 10. Sequences Scales – – Investigation 1. Frequency Tales Histograms Surveys – – – Lesson 11. Problems About Combining Problems About – – Separating Lesson 12. Place Value Though Trillions Multistep Problems – – Lesson 13. Problems About Comparing Elapsed-Time – – Problems Lesson 14. The Number Line: Negative Numbers – Lesson 15. Problems Equal Groups – Lesson 16. Rounding Whole Numbers Estimating – – Lesson 17. The Number Line: Fractions and Mixed Numbers – Lesson 18. Average Line Graphs – – Lesson 19.- Factors Prime Numbers – Lesson 20. Greatest Common Factor – Investigation 2. Investigating Fractions with Manipulatives – Lesson 21. Divisibility – Lesson 22. Equal Groups” Problems with Fractions – “ Lesson 23. Ratio Rate – – Lesson 24. Adding and Subtracting Fractions That Have – Common Denominators Lesson 25. Writing Division Answers as Mixed Numbers – – Multiples Lesson 26. Using Manipulatives to Reduce Fractions Adding – – and Subtracting Mixed Numbers Lesson 27. Measures of a Circle – Lesson 28. Angles – Lesson 29. Multiplying Fractions Reducing Fractions by – – Dividing by Common Factors Lesson 30 - Least Common Multiple - Reciprocals Investigation 3. Measuring and Drawing Angles with a – Protractor Lesson 31. Areas of Rectangles – Lesson 32. Expanded Notation More on Elapsed Time – – Lesson 33. Writing Percents as Fractions, Part 1 – Lesson 34. Decimal Place Value –
Lesson 3. – Unknown Numbers in Addition – Unknown Numbers in Subtraction Lesson 4. – Unknown Numbers in Multiplication – Unknown Numbers in Division Lesson 5. – Order of Operations, Part 1 Lesson 6. – Fractional Parts Lesson 7. – Lines, Segments, and Rays – Linear Measure Lesson 8. – Perimeter Lesson 9. – The Number Line: Ordering and Comparing Lesson 10. – Sequences – Scales Investigation 1. – Frequency Tales – Histograms – Surveys Lesson 11. – Problems About Combining – Problems About Separating Lesson 12. – Place Value Though Trillions – Multistep Problems Lesson 13. – Problems About Comparing – Elapsed-Time Problems Lesson 14. – The Number Line: Negative Numbers Lesson 15. – Problems Equal Groups Lesson 16. – Rounding Whole Numbers – Estimating Lesson 17. – The Number Line: Fractions and Mixed Numbers Lesson 18. – Average – Line Graphs Lesson 19.- Factors – Prime Numbers Lesson 20. – Greatest Common Factor Investigation 2. – Investigating Fractions with Manipulatives Lesson 21. – Divisibility Lesson 22. – “ Equal Groups” Problems with Fractions Lesson 23. – Ratio – Rate Lesson 24. – Adding and Subtracting Fractions That Have Common Denominators Lesson 25. – Writing Division Answers as Mixed Numbers – Multiples Lesson 26. – Using Manipulatives to Reduce Fractions – Adding and Subtracting Mixed Numbers Lesson 27. – Measures of a Circle Lesson 28. – Angles Lesson 29. – Multiplying Fractions – Reducing Fractions by Dividing by Common Factors Lesson 30 - Least Common Multiple - Reciprocals Investigation 3. – Measuring and Drawing Angles with a Protractor Lesson 31. – Areas of Rectangles Lesson 32. – Expanded Notation – More on Elapsed Time Lesson 33. – Writing Percents as Fractions, Part 1 Lesson 34. – Decimal Place Value