Jeopardy Game

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© Mark E. Damon - All Rights Reserved
© Mark E. Damon - All Rights Reserved
Another
Presentation
© 2002 - All rights Reserved
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Round 1
Final
Jeopardy
$
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Birthday
NE
Redsox
Patriots
Totem
Jewelry
Pole
$100 $100
$100
$100 $100
Final
Jeopardy
$200 $200
$200
$200 $200
Scores
$300 $300
$300
$300 $300
$500 $500
$500
$500 $500
$1000 $1000 $1000 $1000 $1000
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$100
Solve for s:
s–5=3
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$100
s–5=3
+5 =+5
s=8
Scores
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$200
-10 + d = 7
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$200
- 10 + d = 7
+10
=+10
d= 17
Scores
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$300
4 x = 28
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$300
4 x = 28
4
4
x=7
Scores
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$500
-q / 5 = 30
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$500
5 (-q / 5) = 5 (30)
-q = 150
q = -150
Scores
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$1000
The Baseball Birthday Batter
Package at a minor league
ballpark costs $192. The package
includes tickets, drinks, and cake
for a group of 16 children. Write
and solve an equation to find the
cost per child.
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$1000
Equation: 16 x = 192
16 x = 192
16
16
x = 12
It will cost $12 a person.
Scores
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$100
4a + 3 = 11
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4a + 3 = 11
-3 -3
4a = 8
4
4
a =2
Scores
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$200
28 = 8x + 12 – 7x
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$200
28 = 8x + 12 – 7x
28= x + 12
-12
-12
16 = x
Scores
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$300
8 (x + 1) = 4x – 8
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$300
8 (x + 1) = 4x – 8
8x + 8 = 4x – 8
-4x
-4x
.
4x + 8 = -8
-8 -8
4x = -16
4
4
x = -4
Scores
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$500
2 (2t – 3) = 6 (t + 2)
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$500
2 (2t – 3) = 6 (t + 2)
4t – 6 = 6t + 12
-4t
-4t
-6 = 2t + 12
-12
-12
-18 = 2t
t = -9
Scores
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$1000
Justin and Tyson are beginning
an exercise program to train for
football season. Justin weighs
150 lbs and hopes to gain 2 lbs
per week. Tyson weighs 195 lbs
and hopes to lose 1 lb per week.
If the plan works, in how many
weeks will the boys weigh the
same amount.
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$1000
Let w = the number of weeks
150 + 2w = 195 – 1 w
+ 1w
+ 1w
150 + 3w = 195
3w = 45
w = 15
It will take 15 weeks.
Scores
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$100
Solve for m:
m – 4n = 8
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$100
m – 4n = 8
+4n +4n
m = 8 + 4n
Scores
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$200
Solve for x:
2x + 3y = 12
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$200
2x + 3y = 12
-3y -3y
2x = 13 – 3y
x = (13 – 3y) / 2
Scores
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$300
Solve for f:
(f + 4) / g = 6
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g ((f + 4) / g) = g (6)
f + 4 = 6g
f = 6g - 4
Scores
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$500
Solve for a:
(2 / 5)a + (3 / 4)b = c
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$500
(2 / 5)a + 3b = c
-3b -3b
(5 / 2)((2 / 5)a) = (c – 3b)(5 / 2)
a = (5 / 2)c – (15 / 2)b
Scores
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$1000
To find a baseball pitcher’s
earned run (ERA), you can use
the formula Ei = 9r, where E
represents ERA, i represents
number of innings pitched, and r
represents number of earned
runs allowed. Solve the equation
for E. What is a pitcher’s ERA if
he allows 5 earned runs in 18
innings pitched?
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$1000
Ei = 9r
E = (9r) / i
r = 5 and i = 18
E = (9 x 5) / 18
E = 45 / 18
E=5/2
Scores
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$100
Solve for z:
3/z=1/8
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1 (z) = 3 (8)
z = 24
Scores
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$200
Solve for s:
3 / (s – 2) = 1 / 7
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3 / (s - 2) = 1 / 7
(s – 2) = 3(7)
s – 2 = 21
+2
+2
s = 23
Scores
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$300
Solve for a:
a / 2 = (a – 4) / 28
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a / 2 = (a – 4) / 26
26a = 2 (a – 4)
26a = 2a – 8
24a = -8
a = -3
Scores
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$500
Solve for c:
ABCD ~ WXYZ
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$500
5/2=7/c
5c = 2 (7)
5c = 14
c = 14 / 5 in
Scores
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$1000
A totem pole casts a shadow 40 ft
long at the same time that a 6 ft
tall man casts a shadow that is 3
ft long. Write and solve a
proportion to find the height of
the totem pole.
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$1000
Equation: 40 / t = 6 / 3
3 (40) = 6t
120 = 6t
t = 20
The shadow of the totem pole will
be 20 ft long.
Scores
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$100
Find 75 % of 40
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75 / 100 = j / 40
3 / 4 = j / 40
3 (40) = 4 (j)
120 = 4j
j = 30
Scores
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$200
36 is 90 % of what number?
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90 / 100 = 36 / p
9 / 10 = 36 / p
9p = 10 (36)
9p = 360
p=4
Scores
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$300
Find each percent change and tell
whether it is an increase or
decrease.
35 to 105
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Percent change = (105 – 35) / 35
= 70 / 35
=2
= 200 %
Increase
Scores
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$500
Find each percent change and tell
whether it is an increase or
decrease.
48 to 12
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Percent change = (48 – 12) / 48
= 36 / 48
= .75
75 % decrease
Scores
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$1000
Peter earns $32,000 per year plus
a 2.5 % commission on his
jewelry sales. Write an equation
for Peter’s salary and find Peter’s
total salary for the year when his
sales are valued at $420,000
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$1000
Peter’s Salary = .025 x + 320,000
= .025 (420,000) + 320,000
= 10,500 + 320,000
= 330,500
Peter earns $330, 500
Scores
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Equation
Scores
Final
Jeopardy
Question
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Alex buys 5 calendars to give as
gifts. Each calendar has the same
price. When the cashier rings up
Alex’s calendars the total cost
before tax is $58.75.
a. Write and solve an equation to
find the cost of each calendar.
b. The total cost of Alex’s
calendars after tax is $63.45.
Find the percent sales tax.
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a. Let c = cost
5c = 58.75
c = 11.75
The calendars cost $11.75 each
b. Let t = tax
58.75t = 68.45
t = 1.08
Tax is 8%
Scores
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