Chapter 1 Study Guide Completed by:.

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Presentation transcript:

Chapter 1 Study Guide Completed by:

Fractions

Decimals 406.6508 + 31.4 59.32 – 6.58 76.04 + 1565.84 55.34-1.17

Decimals 7.5(5311.4) 0.18 ÷ 0.9 289.5 • 48960.6 362.25 ÷ 31.5

Probability one two three four

Probability The letters from A-J are written on small pieces of paper and placed in a bag. A piece of paper will be drawn from the bag. Select all of the scenarios that have a probability close to 0. A number 1 is pulled from the bag. A A consonant is drawn. B A vowel is drawn. C A vowel or consonant is drawn. D Select all of the below situations that represent a probability of a likely event, (close to 1). A tornado will happen every time it rains. A The buses will be out front of school when school ends. B My teacher will show the students something new. C A student does not have their cell phone in class with them. D

Probability A fair coin is thrown in the air six times. If the coin lands with the head up on the first five tosses, what is the probability that the coin will land with the head up on the sixth toss? A die is rolled. What is the probability that the number rolled is less than 2?

Probability The shape above shows an unfolded cube. Use this information to answer questions a, b, and c below: If the cube is folded up and rolled, what are all the possible outcomes? Are they all equally likely? Explain. What is the probability of landing on a smiley face? What is the probability of landing on a star?

Probability A bag contains five green marbles, six blue marbles, and three red marbles, all the same size and shape. Use this information to answer questions a, b, c, and d below: What is the probability of choosing a red marble? What is the probability of choosing a blue marble? What is the probability of choosing a green marble? If you are going to reach into the bag and pull out a marble at random, what color are you most likely to get? Explain your answer.

Probabilty What is the common denominator? 1/8 red green 1/12 purple 1/6 (?) yellow What is the common denominator? What is the missing value of purple?

Probability A multiple-choice test consists of questions with 6 possible answers (A, B, C, D, E, F). What is the probability of getting a question right simply by guessing? Express your answer as a fraction, a decimal, and a percent.

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