The Broomsticks
You have three broomsticks:
The RED broomstick is three feet long
The YELLOW broomstick is four feet long
The GREEN broomstick is six feet long
1. How much longer is the GREEN broomstick than the RED broomstick?
2. How much longer is the YELLOW broomstick than the RED broomstick?
3. The GREEN broomstick is ________ times as long as the YELLOW broomstick.
4. The YELLOW broomstick is _______ times as long as the GREEN broomstick.
5. The YELLOW broomstick is ________ times as long as the RED broomstick.
6. The RED broomstick is _______ times as long as the YELLOW broomstick.
Ted Coe, [email protected], 2014
7. A certain stock started at a value $74. One year later it was valued at $89.54. By what
percent did the stock’s value increase?
8. The Willis tower (formerly the Sears tower) is 1730 feet high. The Burj Khalifa (formerly
Burj Dubai) is 2717 feet high.
a. The Burj is ______________ times as large as the Willis tower.
b. The Willis tower is _____________times as large as
the Burj
c. The Burj is _____________ percent the size of the
Willis tower.
d. The Willis tower is _____________ percent the size of the Burj.
9. How can you think about
10. If you are given
a
?
b
a
= c , how can you think about c?
b
Ted Coe, [email protected], 2014
If =
=
2
.
3
What is 1?
How can you use this to illustrate
Ted Coe, [email protected], 2014
1
2
(3)
=
3
?
2
You have an investment account that grows from $60 to $103.68
over three years.
Ted Coe, [email protected], 2014