Use more than one representation

2nd Grade Math practice: Which two forms both match 640: 'six hundred forty' and '600 + 4'. Part of extension: mastery (Extension: Mastery).

~10 min

A number or solution can be shown with words, equations, place value, or a model.

Tens and ones value

63
6 tens
3 ones

In a 2-digit number, the tens digit tells how many tens, and the ones digit tells how many ones. The tens digit is worth more because each ten is 10 ones.

💡 Say it like: “__ tens and __ ones.”