Addition and subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

1 Department of Mathematics and Informatics, Institute of GeoGebra, University “Aleksander Xhuvani”, Elbasan, Albania. 2 General Secondary School, Labinot-Fushe, Elbasan, Albani. One of the most ...

The goats and their friends are having a party, but they need your help to reach the piñata. As a team, use your knowledge of tens and ones place values to help the goats release the treats from the ...

Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...

The column method for addition is a good way to add large numbers. It involves writing one number beneath the other so that the digits for each place value line up. You then add the digits, starting ...