Hit Start to go to the problems page.
Okta will show you some bubbles, hide them under the shell, and then either
add some or take some away. When Okta asks, "How many bubbles are under the
shell?" enter your answer using the keypad.
If you need to see the demonstration again, click Replay. For a
different problem, click New. To select new parameters, click the Set
You will be given a problem that looks like this: 5 – __ = __. (The number in
the first blank will be filled in, but you'll need to find the number for the
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