## Subtraction

Lesson 1 - Two-Digit Subtraction | I will subtract two-digit and one-digit numbers. |

Lesson 2 - Estimate Differences | I will estimate differences using rounding. |

Lesson 3 - Subtract Money | I will subtract money. |

Lesson 4 - Problem-Solving Skill: Reasonable Answers | I will decide whether an answer to a problem is reasonable. |

Lesson 5 - Three-Digit Subtraction with Regrouping | I will subtract three-digit numbers with regrouping. |

Lesson 6 - Problem-Solving Investigation: Choose a Strategy | I will choose the best strategy to solve a problem. |

Lesson 7 - Subtract Greater Numbers | I will learn to subtract three and four-digit numbers. |

Lesson 8 - Subtract Across Zeros | I will learn how to subtract across zeros. |

Lesson 9 - Algebra: Expressions and Number Sentences | I will learn to write and simplify expressions. |

Study Guide and Review | |