ACTIVITY 4

COMPUTER SKILLS TEST

1. If a kangaroo at the bottom of a 30-foot well jumps up three feet every day and slides back two feet, how long will it take her to reach the top?  (    days)
2. Convert 26 (base 10) to base 2.  (        )
3. 100101 (base 2) minus 11101 (base 2) = ?
4. (2.5 X 10⁴) x (4.0 X 10²) = I x 10^(?)  (        )
5. If Jonas is six inches taller than Juan and Jonas is three inches shorter than Jane, then the tallest person is ____?__, who is __?____ inches taller than ____?__ and ___?___ inches taller than ___?___.
6. 4.6864 divided by 23.2 = ?
7. 28 is ___?__% of 400.
8. If 4(x-2) + 7y + 3 = 21 and y = 2, then x = ?

9. Find the average of the following numbers: 1,3,7,10,13,17, and 19. (_____)

10. Sue works 40 hours a week and earns $4 an hour. For every dollar she earns, she pays five cents in taxes. She can calculate her take-home pay in dollars by :Dividing 5 by ___?___, multiplying the answer by ___?___, subtracting that answer from ___?___, and then multiplying by ___?___.

From Geography: Focus on Economics, @ National Council on Economic Education, New York, NY