In this interactive activity, students will be led through steps to add multi-digit numbers using the strategy of regrouping, or carrying, a group of tens. There are teaching activities as well as practice activities available. A handout that reviews the steps taught during the activity can be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.
In this interactive activity, students will be led through steps to add and subtract multi-digit numbers without regrouping. There are teaching activities as well as practice activities available. The practice activities can be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.
Becoming comfortable with two-digit and three-digit numbers is an important skill in third grade. Students will master addition and subtraction problems within one-thousand. How students learn to understand addition and subtraction is very important.
