Add up to four two-digit numbers using strategies based on place value and properties of operations.
This resource collection contains:
4 worksheets w/answer key aligned with ccss 2.nbt.6
40 taskcards aligned with ccs 2.nbt.6
1 student taskcard answer sheet
1 taskcard answer key
Each taskcard is unique.
Taskcards 1-20 have 3 addends/2 digit numbers.
Taskcards 21-40 have 4 addends/2 digit numbers.
Cover and Taskcard Graphics ©CreativeClips