Curated OER
Add Four Digit Numbers
In this finding the sums learning exercise, students add four-digit numbers with regrouping. Students solve 20 problems.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Four Digit Addition With Regrouping Virtual Worksheets
In this addition worksheet, 3rd graders complete 48 four digit addition problems with regrouping. They enter the sums on-line and print the pages as needed.
Curated OER
Four Digit Addition with Regrouping
In this four digit addition with regrouping worksheet, 2nd graders complete 10 problems. They complete the problems using vertical addition.