Curated OER
Two-Digit Addition With Regrouping #3
In this addition instructional activity, students complete 25 problems using 2-digit numbers and regrouping. A website reference for additional resources is given.
Math Salamanders Ltd.
Addition - Two Digit Addition Sheet 2
Students solve 30 two-digit addition problems printed horizontally, with the reminder to add in their heads, starting with the bigger number first.
Curated OER
2-Digit Addition Practice #3
In this addition instructional activity, students complete a total of 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.