WASHINGTON STATE MATHEMATICS COUNCIL
1997 MIDDLE SCHOOL MATH OLYMPIAD
FIFTH GRADE SPATIAL SENSE
SCHOOL ___________________________ TEAM_______
Don't forget units!
1). If you are allowed to slide, turn or flip (but not stretch) the
following figures, which two figures are identical (congruent)?
2). Zarina has to go to the store to buy milk. She has a choice of 4
stores, shown on the graph. She cannot take shortcuts; she must travel
by road. Which store is closest to her home?
3). Find the area of this figure. The dots are in a regular grid. Grid
points are spaced 1 cm apart.
4). Lines A and B are perpendicular. Lines C and D are parallel. If
angle X is 65 degrees, what is the measure of angle Y?
5). If the angles in a triangle add up to 180 degrees, and the angles
in a square add up to 360 degrees and the angles in a pentagon add to 540
degrees, what is the sum of the angles in an octagon?