Khan Academy Static

Comparing_multi_digit_numbers

Compare whole numbers with at least 3 digits.

Rounding_whole_numbers

If you're looking to create an army of robot dogs, will it really make a difference if you have 10,300 dogs, 9,997 dogs or 10,005 dogs? Probably not. All you really care about is how many dogs you have to, say, the nearest thousand (10,000 dogs). In this tutorial, you'll learn about conventions for rounding whole numbers. Very useful when you might not need to (or cannot) be completely precise. Common Core Standard: 4.NBT.A.3

How_10_relates_to_place_value

Learn to multiply and divide whole numbers by 10. Learn how multiplying and dividing by 10 affects place value.

Intro_to_place_value

Learn about whole number place values, create numbers with given place values, and use place value blocks to identify a number.

Ways_to_write_numbers_expanded_form_and_written_form_

Learn to write whole numbers in expanded form, written form, and standard form.