HIGHLINE SCHOOL DISTRICT
6TH GRADE MATH OLYMPIAD
March 21, 1998
School: ______________

Grade:_______________

Team Number: _______
Number Sense



1. Gleemy Toothpaste is on sale at the local Drug Mart.
Rene needed toothpaste, but he wasn't sure which size was the better deal.
If a 6 ounce tube costs $1.09 and an 8 ounce tubes costs $1.45, which is the better buy?

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2. A printer has to number the pages of a book from 1 to 150.
If the printer uses a separate piece of type for each digit in each number,
how many pieces of type in all will he have to use?

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3. What are the prime factors of 3570?


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4. The staircase shown in the diagram is 4 units tall and contains 10 unit squares.
If the staircase were extended until it was 12 units tall,
how many unit squares would it contain in all?


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5. Express the following as a simple fraction in lowest terms:
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