If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

# Unit: Place value and rounding

Not feeling ready for this? Check out Get ready for 4th grade.

#### 0

Possible mastery points

## Intro to place value

Practice
Identify value of a digitGet 5 of 7 questions to level up!
Creating largest or smallest numberGet 5 of 7 questions to level up!
Place value blocksGet 5 of 7 questions to level up!

## How 10 relates to place value

Practice
Multiply whole numbers by 10Get 3 of 4 questions to level up!
Divide whole numbers by 10Get 3 of 4 questions to level up!
Multiply and divide by 10 Get 3 of 4 questions to level up!
Place value when multiplying and dividing by 10Get 5 of 7 questions to level up!

#### Quiz 1

Level up on the above skills and collect up to 700 Mastery points

## Ways to write whole numbers (expanded form and written form)

Practice
Write whole numbers in expanded formGet 5 of 7 questions to level up!
Write numbers in written formGet 3 of 4 questions to level up!

## Comparing multi-digit numbers

Practice
Compare multi-digit numbersGet 5 of 7 questions to level up!
Compare numbers: place value challengeGet 3 of 4 questions to level up!
Compare multi-digit numbers word problemsGet 3 of 4 questions to level up!

#### Quiz 2

Level up on the above skills and collect up to 600 Mastery points

## Rounding whole numbers

Practice
Round whole numbersGet 5 of 7 questions to level up!
Round whole numbers challengeGet 3 of 4 questions to level up!
Round whole numbers word problemsGet 3 of 4 questions to level up!

#### Quiz 3

Level up on the above skills and collect up to 300 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 1600 Mastery points!

### About this unit

We've been exploring place for a while, thinking about ones, tens, and hundreds. But now we're ready to tackle all whole numbers, including numbers in the thousands, millions, and beyond!