# Ch 1: 5th Grade Math: Number Sense & Arithmetic

### About This Chapter

## 5th Grade Math: Number Sense and Arithmetic - Chapter Summary

This chapter's engaging video lessons are designed to help your 5th grade student learn or review methods for comparing, writing and ordering numbers. Begin with an introduction to place value and use the lessons that follow to develop students' familiarity with numbers in word form and expanded form. There are also lessons to help them sharpen their arithmetic skills and identify even, odd, prime and composite numbers. Each lesson comes with a video transcript and a self-assessment quiz, and students can assess their mastery of these math concepts with the chapter exam.

## Chapter Lessons and Objectives

Lesson | Objective |
---|---|

How to Put Numbers in Order | Students practice ordering numbers from 1 to 100,000. |

Finding Place Values in Whole Numbers | Instructors show how to find the place value of any digit within a whole number. |

Using Word Names for Numbers | Students learn how their knowledge of place value can be used to write numbers in word form. |

Recognizing & Representing Whole Numbers | This lesson reviews whole numbers in standard and word form. Students also get an introduction to the expanded form of a number. |

Roman Numerals 1-20 | Instructors show students how to write and identify Roman numerals up to 20. |

How to Compare Numbers with Math Symbols | Students practice using greater-than, less-than and equals symbols to compare numbers. |

How to Skip Count | This lesson shows students how to count by a number other than 1. |

How to Identify Even & Odd Numbers | Students learn to tell the difference between numbers that can be divided evenly by 2 and those that cannot. |

Arithmetic with Whole Numbers | Instructors demonstrate the steps involved in adding, subtracting, multiplying and dividing whole numbers. |

Identifying Prime & Composite Numbers | Students discover the definitions of prime and composite numbers. |

### 1. How to Put Numbers in Order

After watching this video lesson, you will know how to order numbers from smallest to largest and from largest to smallest. You will also know how to compare numbers to figure out which goes first and which goes last.

### 2. Finding Place Values in Whole Numbers

After watching this video lesson, you will be able to find the location of any place value that you are given. You will also be able to identify them in any whole number.

### 3. Using Word Names for Numbers

Watch this video lesson to learn how the worlds of math and English mix together. Learn how to go from English to math and then back to English again. Learn how every single math number has an equivalent English word for it.

### 4. Recognizing & Representing Whole Numbers

Watch this video lesson to learn how you can recognize the three different forms we have for writing our whole numbers. Also learn how you can represent any whole number using any one of these three forms.

### 5. Roman Numerals 1-20

After watching this video lesson, you will be able to identify and write the numbers 1-20 using Roman numerals. You will learn how a Roman numeral is different from the numbers we are familiar with, and you will learn the rules of Roman numerals.

### 6. How to Compare Numbers with Math Symbols

After viewing this lesson, you should know how to compare numbers. You will learn the different names for the math symbols that are used to compare numbers, as well as what they look like.

### 7. How to Skip Count

In this lesson, you will learn how you can skip count. Find out how to count by twos and by threes, and see how you can skip count by any given number.

### 8. How to Identify Even & Odd Numbers

In this short lesson, you will learn a bit more about numbers. You will learn what makes a number even, what makes a number odd, and how to identify each.

### 9. Arithmetic with Whole Numbers

There are four basic mathematical operations: addition, subtraction, multiplication, and division. These four operations are used in a wide range of everyday skills and are the fundamental blocks of arithmetic.

### 10. Identifying Prime & Composite Numbers

In this video lesson, you will learn how to identify both prime and composite numbers. You will also learn what makes the numbers unique, as well as the characteristics of both these types of numbers.

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### Other Chapters

Other chapters within the 5th Grade Math: Practice & Review course

- 5th Grade Math: Number Properties
- 5th Grade Math: Solving Math Word Problems
- 5th Grade Math: Estimation & Rounding
- 5th Grade Math: Addition
- 5th Grade Math: Subtraction
- 5th Grade Math: Multiplication
- 5th Grade Math: Multiples of Whole Numbers
- 5th Grade Math: Division
- 5th Grade Math: Simplifying Whole Number Expressions
- 5th Grade Math: Basic Algebraic Expressions
- 5th Grade Math: Data & Graphs
- 5th Grade Math: Probability & Statistics
- 5th Grade Math: Units of Measurement
- 5th Grade Math: Introduction to Geometric Figures
- 5th Grade Math: Angles
- 5th Grade Math: Triangles
- 5th Grade Math: Quadrilaterals
- 5th Grade Math: Circles
- 5th Grade Math: Perimeter, Area & Volume
- 5th Grade Math: Symmetry, Similarity & Congruence
- 5th Grade Math: Fractions
- 5th Grade Math: Operations with Fractions
- 5th Grade Math: Decimals
- 5th Grade Math: Operations with Decimals
- 5th Grade Math: Mixed Operations
- 5th Grade Math: Money
- 5th Grade Math: Time
- 5th Grade Math: The Coordinate Graph
- 5th Grade Math: Patterns & Sequences
- 5th Grade Math: Number Theory
- 5th Grade Math: Integers
- 5th Grade Math: Percents
- 5th Grade Math: Rates, Ratios & Proportions