#### Everything You Need in One Place

Homework problems? Exam preparation? Trying to grasp a concept or just brushing up the basics? Our extensive help & practice library have got you covered.

#### Learn and Practice With Ease

Our proven video lessons ease you through problems quickly, and you get tonnes of friendly practice on questions that trip students up on tests and finals.

#### Instant and Unlimited Help

Our personalized learning platform enables you to instantly find the exact walkthrough to your specific type of question. Activate unlimited help now!

0/1
##### Intros
###### Lessons
1. Introduction to Adding Multi-Digit Numbers

Overview of lesson
0/15
##### Examples
###### Lessons
1. Adding 2-Digit Numbers with Regrouping
1. 13 + 9
2. 36 + 28
3. 45 + 86
4. 58 + 42
2. Adding 3-Digit Numbers with Regrouping
1. 136 + 557
2. 758 + 163
3. 128 + 879
3. Adding 4-, 5- and 6- Digit Numbers with Regrouping
1. 2863 + 3478
2. 6481 + 7319
3. 41285 + 18468
4. 283591+ 321428
1. 22 + 450 + 312
2. 638 + 385 + 128
5. Multi-Digit Adding with Regrouping: Word Problems
1. Ben collects stamps and keeps them in three boxes (red, green and blue boxes). The red box has 780 stamps. The green box has 445 stamps and the blue box has 173 stamps. How many stamps does he have in total?
2. Usually there are 2353 chairs in the auditorium. Before a show, 1868 more chairs are added. How many chairs are there for the show?
0%
##### Practice
###### Topic Notes

In this lesson, we will learn:

• How to add multi-digit numbers
• How to add three numbers
• Word problems with multi-digit addition

Notes:

• Ten ones need to be regrouped into 1 ten
• Ten tens need to be regrouped into 1 hundred
• Ten hundreds need to be regrouped into 1 thousand
• Remember to always stack the numbers you are adding so that the place values line up properly