Sheet # 69 Critical Thinking
Name: _____________________ Date_____________
Show and explain your work. Draw pictures or make tables to explain your answer.
The following is the diagram of the hockey rink.
1) What fraction of the total area of the hockey rink does the four face-off-circles represent? Round the area to the nearest thousand.
2) If the hockey rink was a square with the same perimeter, what would its dimensions be? What fraction of the total area of the hockey rink would the four face-off-circles represent? Round the area to the nearest thousand.
Answers for sheet # 69
Area of the rectangle: 85 x 178 = 15130 sq feet
Area of each circle: 3.14 x 15 x 15 = 706.5 sq. feet
area of 4 circles = 2826 sq. feet
Fraction: 2826/15130
Estimate to the nearest thousand
3000/15000
about 1/5
If it was a square
side of the square is = 131.5 feet
area of the square = 17292 sq feet
fraction = 2826/17292
round to the nearest thousand
3000/17000
about 1/6