Flash Media: Find Volume
Math exercise for elementary schools.
Find the volume of the following prisms.
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Canadian Open Mathematics Challenge 2007
Problem:
1. If a = 15 and b = -9, what is the value of a2 + 2ab + b2 ?
2. A circular wind power generator turns at a rate of 30 complete revolutions per
minute. Through how many degrees does it turn in one second ?
Solution ?
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Canadian Mathematics Competition
1. Pat planned to place patio stone in a rectangular garden that has dimensions 15 m by by 2m. If each patio stones measure 0.5 m by 0.5 m, how many stones are needed to cover the garden ?
A. 240
B. 180
C. 120
D. 60
2. The prime numbers between 10 and 20 are needed together to form the number Q. What was the larges prime number divisor of Q ?
A. 2
B. 3
C. 5
D. 7
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