Tuesday, February 23, 2021
(in North America and South America)
Wednesday, February 24, 2021
(outside of North American and South America)
©2020 University of Waterloo
Time: 60 minutes
Calculating devices are allowed, provided that they do not have any of the following features: (i) internet access, (ii) the ability to communicate with other devices, (iii) information previously stored by students (such as formulas, programs, notes, etc.), (iv) a computer algebra system, (v) dynamic geometry software.
Point
If
What number should be placed in the
Elena earns $13.25 per hour working at a store. How much does Elena earn in 4 hours?
In the diagram, squares of side length 1 meet each other at their vertices.
The perimeter of the figure is
Wesley is a professional runner. He ran five laps around a track. His times for the five laps were
A rectangle has length 13 and width 10. The length and the width of the rectangle are each increased by 2. By how much does the area of the rectangle increase?
Which of the following is equal to 110% of 500?
An integer
The two equal-arm scales shown are balanced.
Which of the following has the same mass as
How many integers between 100 and 300 are multiples of both 5 and 7, but are not multiples of 10?
If
In the diagram,
What is the measure of
If
A robot is placed on the grid shown.
The robot starts on square 25, initially facing square 32. The robot (i) moves 2 squares forward in the direction that it is facing, (ii) rotates clockwise
Nate has a grid made of shaded and unshaded 2 cm by 2 cm squares, as shown.
He randomly places a circle with a diameter of 3 cm on the board so that the centre of the circle is at the meeting point of four squares.
What is the probability that he places the disk so that it is touching an equal number of shaded and unshaded squares?
The integer
In the diagram, Paths 1, 2 and 3 are drawn on a grid.
Paths 1 and 3 consist entirely of straight line segments. Path 2 consists of straight line segments and a semi-circle. If the length of Path 1 is
Trains arrive at Pascal Station every
A group of friends are sharing a bag of candy.
On the first day, they eat
On the second day, they eat
On the third day, they eat
On the fourth day, they eat
On the fifth day, they eat
At the end of the fifth day, there is 1 candy remaining in the bag.
How many candies were in the bag before the first day?
Suppose that
The two-digit integer
The three-digit integer
The four-digit integer
The digits of
The number of possible values for the integer
Three cubes have edge lengths
Azmi has four blocks, each in the shape of a rectangular prism and each with dimensions
Rectangle
The rectangle is curled without overlapping into a cylinder so that sides
Suppose that
The first
The remaining
For example, an in-shuffle performed on the list
Yann writes down the first
(The original version of this problem was missing the correct answer.)
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