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 (tens and hundreds)

0

Possible mastery points

Teens

Learn
Teens as sums with 10
(Opens a modal)
Teen numbers: monkeys
(Opens a modal)
Practice
Teen numbersGet 5 of 7 questions to level up!

Tens

Learn
Intro to place value
(Opens a modal)
Place value example: 25
(Opens a modal)
Place value example: 42
(Opens a modal)
Practice
Groups of ten objectsGet 5 of 7 questions to level up!
Tens and onesGet 5 of 7 questions to level up!
2-digit place value challengeGet 5 of 7 questions to level up!

Comparing 2-digit numbers

Learn
Greater than and less than symbols
(Opens a modal)
Comparison symbols review
(Opens a modal)
Practice
Compare 2-digit numbersGet 5 of 7 questions to level up!
Compare 2-digit numbers 2Get 5 of 7 questions to level up!

Quiz 1

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

Hundreds

Learn
Regrouping whole numbers: 675
(Opens a modal)
Practice
Regroup whole numbersGet 3 of 4 questions to level up!
Hundreds, tens, and onesGet 3 of 4 questions to level up!
Write numbers in different formsGet 3 of 4 questions to level up!

Comparing three-digit numbers

Learn
Comparing whole numbers
(Opens a modal)
Practice
Compare 3-digit numbersGet 5 of 7 questions to level up!

Quiz 2

Level up on the above skills and collect up to 400 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1000 Mastery points!

About this unit

Learn about tens and hundreds. Compare 2-digit and 3-digit numbers.