# PRIME Aus Mathematics SB 1B - Scholastic

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**Chapter 15**: Addition and Subtraction Within 40

Lesson 1: Addition and Subtraction Without Regrouping

Lesson 2: Addition and Subtraction With Regrouping

Lesson 3: Adding Three Numbers

Lesson 4: Problem Solving

**Chapter 16**: Halves and Quarters

Lesson 1: Halves and Quarters

Lesson 2: Problem Solving

**Chapter 17**: Calendar and Time

Lesson 1: Reading a Calendar

Lesson 2: Telling Time

**Chapter 18**: Numbers to 100

Lesson 1: Tens and Ones

Lesson 2: Order of Numbers

**Chapter 19**: Addition and Subtraction Within 100

Lesson 1: Addition and Subtraction Without Regrouping

Lesson 2: Addition and Subtraction With Regrouping

Lesson 3: Problem Solving

**Chapter 20**: Money

Lesson 1: Notes and Coins

Lesson 2: Shopping

Lesson 3: Problem Solving

**Chapter 11**: Mass

Lesson 1: Comparing Mass

Lesson 2: Measuring Mass

Lesson 3: Problem Solving

**Chapter 12**: Comparing Numbers

Lesson 1: Comparing Numbers

Lesson 2: Comparison by Subtraction

Lesson 3: Problem Solving

**Chapter 13**: Graphs

Lesson 1: Tally Charts

Lesson 2: Picture Graphs

**Chapter 14**: Numbers to 40

Lesson 1: Counting and Comparing

Lesson 2: Tens and Ones

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