# Place value

8 videos
3 skills
In this tutorial we'll really dissect numbers to think about what they represent, including a number's place value(s) and how it is expressed in standard and composite form. Common Core Standards: 4.NBT.A.1 , 4.NBT.A.2

### Finding a number's place value

VIDEO 2:25 minutes
When finding the place value of a particular number, it helps to write out exactly what the number means. Listen as we explain in this video.

### Writing a number in standard form

VIDEO 4:09 minutes
Here's a BIG number that needs to be expressed in standard form. Can you do this example with us? I bet you can!

### Writing a number in expanded form

VIDEO 5:20 minutes
What is the "expanded" form of a number? Take a big number and break it down to its ones, tens, hundreds, and other place values and you have expanded form. Not sure what we mean? No worries. We'll explain.

### Place value

PRACTICE PROBLEMS
Identify the place-value of a digit. Rewrite a written number in numerals.

### Comparing place values

VIDEO 2:30 minutes
When asked to compare the place values in a number, remember this simple fact: each step up in place value results in an increase of a factor of ten. Watch this great explanation and become a pro.

### Understanding place value 1 exercise

VIDEO 3:29 minutes
Here we have a few example exercises in which we are asked to compare place values and determine which are larger or smaller, and by what factor of ten. Let's do it together.

### Understanding place value

PRACTICE PROBLEMS
Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right.

### Regrouping numbers intro various place values

VIDEO 2:34 minutes
Thinking about numbers as expressions of different place values is really helpful. In this example we'll look at regrouping a number by different place values.

### Comparing whole number place values

VIDEO 1:31 minutes
Which number is bigger? Which number is smaller? Are they equal? Use your knowledge of place value to find the answer.

### Creating the largest possible number

VIDEO 2:18 minutes
Taking numbers and moving them into different place values to create the highest (and lowest) numbers possible.

### Understanding whole number representations

PRACTICE PROBLEMS
Identify what each digit in a multi-digit number represents.