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Subtraction

868 bytes added, 03:22, 3 December 2022
Regrouping
At Level 24 your child is given the choice of regrouping (borrowing) visually on the screen or of regrouping mentally without displaying the process. To use the regrouping option, press the '''SPACE BAR''' when instructed on the screen. A small question mark appears above the column from which the value is being borrowed or taken. Type the new value for that digit. Then a small question mark appears beside the column to which the value is being regrouped. Type in this number (it will be a 1), subtract the digits in that column, and type the answer. Finish the problem using the new value for the digit from which it was "borrowed".
 
If a problem has regrouping more than once, you must press the '''SPACE BAR''' the first time the option is offered on the screen if you want to use the option. The regrouping option is offered whenever appropriate in Levels 7, 14 through 17, 20 through 21, and 24 through 54 (no regrouping in Level 32).
 
===="Let Me Help You"====
 
Now let's try the "Let Me Help You" feature. On the next problem, deliberately enter a wrong answer twice. When the border flashes red, press ENTER and the message "Let Me Help You" is displayed. Keep pressing ENTER as the computer completes the problem step by step until the final answer is found. Thus, if your child has difficulty with a particular problem, the computer demonstrates the solution for him or her.
Continue to observe as your child works through the problems and gains familiarity with the program's operations.
 
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