Adding with regrouping (using base ten blocks)
Topic Notes
In this lesson, we will learn:
- Using ones, tens, hundreds and thousands blocks to add
- Addition with regrouping for 2-, 3-, 4- and 5-digit numbers
Notes:
- Regrouping
10 ones can be regrouped into 1 ten:
![Representing Numbers: Tally Marks](
https://dmn92m25mtw4z.cloudfront.net/img_set/math5-4-4-x-1/v1/math5-4-4-x-1-959w.jpg)
10 tens can be regrouped into 1 hundred:
![Representing Numbers: Tally Marks](
https://dmn92m25mtw4z.cloudfront.net/img_set/math5-4-4-x-2/v1/math5-4-4-x-2-1207w.jpg)
10 hundreds can be regrouped into 1 thousand
![Representing Numbers: Tally Marks](
https://dmn92m25mtw4z.cloudfront.net/img_set/math5-4-4-x-3/v1/math5-4-4-x-3-1207w.jpg)