Subtracting multi-digit numbers

4 videos
1 skill
In the 3rd grade, you learned to subtract multi-digit numbers. This includes subtraction through regrouping (sometimes known as "borrowing"). This tutorial will give you practice doing this with even larger numbers. Have fun! Common Core Standard: 4.NBT.B.4

Subtracting: three digit numbers and basic regrouping

VIDEO 2:47 minutes
Subtracting multi-digit numbers can be a little confusing when the top digits are smaller than the bottom ones. Let's look at regrouping together. It will help!

Subtracting: three digit numbers and regrouping

VIDEO 3:20 minutes
When we don't have enough of something, we sometimes borrow it. Same in math! When there aren't enough tens (or hundreds, etc) to subtract with, we can borrow (also called regrouping).

Subtracting: regrouping twice

VIDEO 3:48 minutes
Getting a little fancier with our regrouping now. What if you have TWO numbers that require you to borrow or regroup? You guessed it! You have to take value from one place and give it to another.

Subtracting: Regrouping from zero

VIDEO 2:24 minutes
In Kindergarten you learned the importance of sharing, right? In math, when we lack value in a number to subtract with you borrow or regroup from a neighbor. Sometimes you borrow from the tens...but what if you have zero tens? Ha....let's ...

Subtraction within 1000

Subtract with two numbers less than 1000.