Page 280 - Mind Games The Aging Brain and How to Keep it Healthy

264 • Chapter 7

Add 3. _____
Multiply by 5. _____
Add the day (date) of the month of your birthday. _____
Subtract 175. _____
What do you see? The first one or two digits of your an-
swer should be your birth month, and the last two should be
your birth day. How does this work? At first, use a calcula-
tor to do this trick. Improve your concentration skills by
practicing it mentally.
You can try this with your friends. This is a clever way to
find out a birthday that you think you should know without
asking the other person what it is!

MENTAL AGILITY POSTTEST

Now that you have practiced and learned new problem-
solving skills, you are ready to take the postassessment.
Again, set a timer for 10 minutes. Look for the next item in
each pattern.
When the time is up, check your answers. Count the
number you answered correctly, and compare your score
with your pretest score.

?
1.1, 4, 7, 10,

?
2. a b c d

?
3. a b c d

?
4.1, 0, 2, 0, 3,