Khan Academy Static

Topic C includes lessonsn 7-11. "Use place value disks to represent two-digit by one-digit multiplication. Extend the use of place value disks to represent three- and four-digit by one-digit multiplication. Multiply three- and four-digit numbers by one-digit numbers applying the standard algorithm. Multiply three- and four-digit numbers by one-digit numbers applying the standard algorithm. Connect the area model and the partial products method to the standard algorithm." EngageNY

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