**Topics** |
**Description** |

Introduction to Decimals |
Students are introduced to decimal numbers as they relate to place value. Expanded form and decimal digits are also covered. |

Reading and Writing Decimals |
Students are shown how to read and write decimals. They learn to write mixed numbers and phrases as decimals, and to read and write decimals using words. |

Comparing
Decimals |
Students
are shown how to compare decimals using the correct symbols. |

Ordering
Decimals |
Students are shown how to order three or more decimals from
least to greatest. |

Estimating
Decimal Sums |
This lesson shows students how to estimate decimal sums using several estimation strategies. Overestimates and underestimates are also covered. |

Adding
Decimals |
Step-by-step examples for adding two or decimals are presented. |

Estimating
Decimal Differences |
This lesson shows students how to estimate decimal differences by
rounding to various places. Overestimates and underestimates are also covered. |

Subtracting
Decimals |
Step-by-step
examples for subtracting decimals are presented. |

Solving
Decimal Word Problems |
Students are shown how to solve decimal word problems using the concepts learned in this unit. |

Practice Exercises |
To
complete 10 additional exercises as practice. To assess students' understanding of all concepts learned so far. |

Challenge Exercises |
To solve 10 additional problems that challenge students'
understanding of all concepts presented in this unit. To hone students' problem-solving skills. |

Solutions |
To review complete solutions to all exercises presented in this unit. Includes the problem, step-by-step solutions, final answer for each exercise. |