Washington State Math Olympiad
Hints and Solutions
2017 Grade 8 Number Sense
Problem
1) Insert parentheses to make the following equation true.
60 + 12 ÷ 2 - 3 x 2
2
= 0
2) Rewrite 0.1
32
as a fraction in lowest terms.
3) What is the one's place of 43
55
?
Problem
4) What numbers between 1 and 100 have exactly 5 factors?
5) Given the following sequence, find what the 10th term in the sequence is. Express your answer in a simplified form.
