Base 10 Multiplication: 1 bt 4, 2 by 4, 3 by 4, 4 by 4

The purpose of these programs is to teach the method of base 10 multiplication for successively more complex problems: 1 by 4, 2 by 4,3 by 4 and 4 by 4. A random problem is generated. The student can then step theough the method one step at a time. Alternatively, or in addition, the student can try the problem on their own and check their answer by clicking “Show Answer”.