Watch the video below to remind yourself about using the Groups of strategy correctly.

Watch the video below to remind yourself about using the Arrays strategy correctly.

Watch the video below to remind yourself about using the Area Model (two digit x one digit) strategy correctly.

Watch the video below to remind yourself about using the Area Model (teen x teen number) strategy correctly.

Watch the video below to remind yourself about using the Area Model (2 digit x 2 digit number) strategy correctly.

 

Watch the video below to remind yourself about using the Expanded Algorithm strategy correctly.