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• Be seated in groups of four.
• Turn your HW in on my desk – you will get it back tomorrow.
• Every group member needs paper and something to write with.
• Come up with a team name and be prepared to share it with me for scoring purposes.
Rules of the game:•Assign a number to each team member (#1-4)•Each member solves their own equation.•One member will add all four solutions together to get the OFFICIAL ANSWER.•The official answer should be written on the mini white board and shown to the teacher.•The first team to get the correct official answer will be able to give our three strikes to the other teams.•When a team receives 5 strikes they are Knocked Out.•Knocked out teams can still win individual rounds to strike other teams.•Any team the quits, doesn’t work, is disruptive, or cheats will be disqualified and receive NO CREDIT for this activity.•Any person talking to another team at any point will be considered cheating and be disqualified.•The last team standing will receive 3 bonus points on their test Friday. •If all teams get knocked out then all teams that have not been DQed will participate in a sudden death round. Winner takes all!
Round One1) 3 + y = 9
2) x – 6 = 14
3) 7x = 49
4) 2x + 2 = 12
Answers1) 3 + y = 9 3)
-3 - 3 y = 6
2) x – 6 = 14 4) 2x + 2 = 12 +6 +6 - 2 = -2
x = 20
x = 5
77
49
7
7
x
x
2
10
2
2x
38
Round Two1) 2x – 4 = 10
2) 21 = 7x
3) x – 11 = 30
4) -5x = 35
Answers1) 2x – 4 = 10 3) x – 11 = 30 +4 +4 +11 +11
x = 41
x = 72) 21= 7x 4) 7 7
3 = x x = -7
2
14
2
2x
5
35
5
5
x
44
Round Three1) -3x = -30
2) 3x – 6 = 18
3) 5 + 5x = -20
4) x – 7 = 27
Answers1) 3) 5 + 5x = -20
-5 -55x = -25
x = 10 5 5 x = -5
2) 3x – 6 = 18 4) x – 7 = 27 +6 +6 +7 +7
x= 34
x = 8
3
30
3
3
x
3
24
3
3x
47
Round Four16
4
1.)1 x
35
.)2 x
108
5.)3 x
236.)4
x
Answers
-23
64
4164
14.)1
x
x
15
535
5.)2
x
x
165
810
8
5
5
8.)3
x
x
72
22
362.)4
x
x
Round Five188
3.)1 x
3112
5.)2 x
85
20.)3 x
1816
58.)4 x
Answers
-10
30
3103
3
1883
.)1
x
x
x
125
230
2
5
5
2
3112
5.)2
x
x
x
60
5125
5
85
20.)3
x
x
x
325
1610
16
5
5
16
1816
58.)4
x
x
x
Round Six1) 3(x + 7) = 9
2) 2(5 – x) = 20
3) -15 = 3(2x + 3)
4) 2(3x + 5) = 4
Answers1) 3x + 21 = 9 3) -15 = 6x + 9 -21 - 21 -9 -9
3x = -12 x = -4 x = -4
2) 10 – 2x = 20 4) 6x + 10 = 4 -10 -10 -10 -10 -2x = 10 x = -5
x = -1
6
6
6
24 x
6
6
6
6 x
-14
Round Seven1) 3x – 11 = 2x + 50
2) 20 – 4x = 5x – 7
3) -4x – 2 = 2x + 22
4) 6x + 13 = 5x – 20
Answers1) 3x – 11 = 2x + 50 3) -4x – 2 = 2x +
22 x – 11 = 50 -6x – 2 = 22 +11 +11 +2 +2
x = 61
x = -4
2) 20 – 4x = 5x – 7 4) 6x + 13 = 5x – 20 20 = 9x – 7 -5x -5x
x + 13 = -20 -13 -13
x = 3 x = -33
6
24
6
6
x
9
9
9
27 x
27
Round EIGHT1) 3x + 15 – 2x = 25
2) 5 = 3x – 12 – 4
3) 19 = 6x + 7 – 2x
4) -7x – 21 + 2x = -1
Answers1) 3x+15-2x = 25 3) 19 = 6x+7-2x x + 15 = 25 19 = 4x+7
x = 10 12 = 4x3 = x
2) 5 = 3x-12-4 4) -7x-21+2x= -1 5 = 3x-16 -5x-21 = -1 21 = 3x -5x = 20
7 = x x = -4
16
Round Nine1) 2(3x + 4) = 38
2) 4(x – 2) = 8
3) -2(x + 8) = -24
4) -3(x – 5) = -60
Answers1) 6x + 8 = 38 3) -2x – 16 = -24
-8 -8 +16 +16 6x = 30 -2x = -8 x = 5 x = 4
2) 4x – 8 = 8 4) -3x + 15 = -60 +8 +8 -15 -154x = 16 -3x = -75
x = 4 x = 25
38
Round TEN
xx4
161
4
3.)1
52
33
2
1.)2 xx
)62(1112832.)3 xxx
xxx )167(21155.)4
Answers
48
29
582
6622820
662212832
)62(1112832.)3
x
x
xx
xxx
xxx
1
2828
3213415
32141155
)167(21155.)4
x
x
xx
xxx
xxx
8
162
1036
52
33
2
1.)2
x
x
xx
xx
10
202
24434
161
4
3.)1
x
x
xx
xx
• Chapter 3 Review
• Test Friday
• Binders Due Friday