HIGHLINE SCHOOL DISTRICT
5TH GRADE MATH OLYMPIAD

March 21, 1998

School: ______________

Team Number: _____
Algebra


1. What is the next number in this sequence?
    0      3      8      15    24    35  _______
2. Find x:
 
      X2 - 1
    ------- = 21
       3

x = _______

3. Predict the value of X in this table:
In --->0281018
Out -->51129X59

X = _______

4. A sofa is on sale for $100 at the furniture store. Its price has been reduced twice. The first time, the price was reduced by 50%. The second time, the price was reduced by another $50. How much did the sofa cost originally?


_______

5. The weights of 3 cats add up to 36 pounds. The heaviest cat is twice as heavy as the lightest cat. The middle cat weighs 4 pounds less than the heaviest cat. How much does the lightest cat weigh? _______