In this addition learning exercise, 2nd graders solve 18 addition math problems with two-digit numbers. Students utilize the tens and ones models and the process of regrouping.
2nd Math 3 Views 12 Downloads
Add Up To Four 2-Digit Numbers by Using Addition Facts and Friendly Numbers
Learning to recognize friendly numbers is a big step in developing fluency with addition. Looking at multiple real world examples, the instructor models how to rearrange addition number sentences and use friendly numbers to quickly and...
5 mins 1st - 3rd Math CCSS: Designed