bell work directions: in your journal, number from 1 to 5. for each concept, give an example
TRANSCRIPT
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Bell Work
Directions: In your journal, number from 1 to 5. For each concept, give an example
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Expectations• Begin bell work right after the tardy bell(2 pts)• Give eye contact when teacher gives
instruction (2 pts)• Stay in seat during instruction (2 pts)• Raise hand when you wish to speak (if it is an
appropriate time in the lesson, teacher will call on that you) (2 pts)• Show whiteboard (even if you don’t know how to do a
problem) (2 pts)
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A bag contains 100 marbles. The shows how many red, blue, green and yellow marbles are in the bag.
Probability of drawing a RED marble
Ratio of colored marble to all marbles
Percentage of colored marble within all marbles
RED
16 = 4 16 = _4 16%
100 25 100 25
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A bag contains 100 marbles. The shows how many red, blue, green and yellow marbles are in the bag.
Probability of drawing a BLUE marble
Ratio of colored marble to all marbles
Percentage of colored marble within all marbles
Blue
24 = 6 24 = _6 24%
100 25 100 25
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A bag contains 100 marbles. The shows how many red, blue, green and yellow marbles are in the bag.
Probability of drawing a GREEN marble
Ratio of colored marble to all marbles
Percentage of colored marble within all marbles
GREEN
45 = 9 45 = _9 45%
100 20 100 20
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A bag contains 100 marbles. The shows how many red, blue, green and yellow marbles are in the bag.
Probability of drawing a YELLOW marble
Ratio of colored marble to all marbles
Percentage of colored marble within all marbles
YELLOW
15 = 3 15 = _3 15%
100 20 100 20
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A bag contains 100 marbles. The shows how many red, blue, green and yellow marbles are in the bag.
Probability of drawing a PURPLE marble
Ratio of colored marble to all marbles
Percentage of colored marble within all marbles
PURPLE
0 = 0 0 = 00%
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A bag contains 100 marbles. The shows how many red, blue, green and yellow marbles are in the bag.
Probability of drawing a RED and BLUE marble
Ratio of colored marble to all marbles
Percentage of colored marble within all marbles
RED and BLUE
16 + 24 = 40 = 2 16 + 24 = 40 = 240%
100 20 5 100 20 5
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A bag contains 100 marbles. The shows how many red, blue, green and yellow marbles are in the bag.
Probability of drawing a RED, BLUE, GREEN, YELLOW marble
Ratio of colored marble to all marbles
Percentage of colored marble within all marbles
RED, BLUE, GREEN and YELLOW
16 + 24 + 45 + 15 = 100 = 1 16 + 24 + 45 + 15 = 100 = 1 100%
100 100 100 100
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Write on small whiteboard:
After two flips of the coin, what is the probability of getting at least one HEAD?
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Write on small whiteboard:
After three flips of the coin, what is the probability of getting at least one HEAD?
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Write on small whiteboard:
After four flips of the coin, what is the probability of getting at least one HEAD?
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Look at the pattern:
What formula can be created?
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Probability Theory
• http://www.youtube.com/watch?v=2y3PH4SqmlA
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You may touch the bags NOW