While the newer method does require computer access for every child, most schools now have that capability. As children do more hands-on learning on computers and less in books, these programs are capable of reaching them on a level they can understand.
Also, when the child is in the second or third grade and their child can't add simple two digit numbers, it is up to the parent to make sure that their child gets the extra help needed to become successful. Parents cannot wait on the school every time their child has an academic deficiency. Part of being a good parent is making sure that your child functions at the correct grade level throughout their academic career.
Some have a time limit to complete tasks, much like a game. If the math problems are not completed in time, a buzzer sounds indicating that they are out of time. This raises the competitive level from simply completing tasks to competing for how quickly they can do it, and do it correctly.
These worksheets are provided for all subjects present in a 1st grade school curriculum covering English, math, science & many others. Worksheets are also provided for developing & nurturing the thinking skills of a student too in the form of crossword puzzle & thinking skill worksheets. Moreover, many 1st grade worksheet providers as well provide time counting & calendar worksheets as well to test the IQ of the kids.