This video explains some strategies that are helpful for adding two-digit numbers in your head. [8:00]

In this lesson, you will learn how the value of each whole-number place is related by constructing a place-value chart. [5:36]

In this lesson, you will learn the relationship between place values by multiplying numbers by a power of 10. [5:02]

In this lesson you will compare the value of the digits in a whole number by representing the number with models and using your knowledge of place value. [6:48]

Video tutorial takes a look at place value, periods of numbers, and how to write numbers as word statements.

This video will use expanded forms of numbers to help students understand place value. Additionally students will learn how to write numbers as word statements.

This video gives students a visual representation of base 10 addition using an abacus while mirroring traditional hand written calculations.

More practice carrying with multiple digit numbers. This video shows addition of numbers to millions, demonstrating regrouping of numbers and place value.

This video tutorial shows how to write a five-digit whole number in expanded form.

Find the value of digits by exploring the number 342.98. This video focuses on using the understanding of place value to determine what each digit represents in a number that extends to the hundredths place. [2:38]

[Free Registration/Login may be required to access all resource tools.] The video uses place value to determine the number of hundreds given a specific number of ones. The video is followed by a series of practice questions to assess...

This QuickTime movie provides an opportunity to practice solving for a value. A great introduction to the basics of Algebra. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this...

A video with two examples comparing multi-digit numbers.

The video compares whole number place values. It offers links to other lessons.

Gain a basic understanding of place value by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [9:25]

Mathantics offers video tutorials on various math topics. In this video, students learn about multi-digit subtraction. [6:56]

The teacher identifies numbers represented by place value blocks.

Sal Kahn arranges digits to make the largest possible number.

Sal Khan introduces decimal numbers and understanding place value to the right of the decimal.

Watch as Sal adds 23 + 45 thinking about place value. [2:33]

Watch as Sal adds 37 + 2 by thinking about place value. [2:35]

Sal talks about the difference between adding 1 and adding 10 in this Khan Academy video. [2:16]

Sal adds 5+68 by breaking the 5 into a 2 and a 3 in this Khan Acadamy video. [2:50]

Watch Sal add 35 + 27 while thinking about place value. [4:35]