Copyright@Ed2netLearning,Inc1 EXPLORING PROBABILITY GRADE 3

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  • Slide 1
  • copyright@Ed2netLearning,Inc1 EXPLORING PROBABILITY GRADE 3
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  • copyright@Ed2netLearning,Inc2 Hello, How are you? Today, we are going to start a new lesson.
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  • copyright@Ed2netLearning,Inc3 Probability The chances that an event will occur is called Probability. Example There are 4 red pens in a bag. The probability of picking a pen is certain.
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  • copyright@Ed2netLearning,Inc4 Possible Outcomes Any of the results that could occur in an experiment is Possible Outcome. Example Heads and tails are the possible outcomes when flipping a coin.
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  • copyright@Ed2netLearning,Inc5 Certain and Impossible There are 6 yellow marbles and 1 black marble in the box. Lisa picks one marble from the box. It is certain that Lisa will pick a marble. There are only marbles in the box. It is impossible that Lisa will pick a green marble. None of the marbles are green.
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  • copyright@Ed2netLearning,Inc6 Likely and unlikely It is likely that Lisa will pick a yellow marble. Six out of seven marbles are Yellow. It is unlikely that Lisa will pick a black marble. Only 1 out of 7 marbles is black.
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  • copyright@Ed2netLearning,Inc7 Write certain, likely, unlikely or impossible. Three fruits are shown in the picture. a) a piece of fruit b) Apple c) Strawberry d) Banana Answer- a) Certain b) Impossible c) Unlikely d) likely
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  • copyright@Ed2netLearning,Inc8 If you have 5 green cubes and 2 pink cubes. Which cube you are likely to pull out of box? Answer - Green
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  • copyright@Ed2netLearning,Inc9 What is the probability of coin landing on head? Answer- Equally likely There are same number of heads and tails.
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  • copyright@Ed2netLearning,Inc10 Use the Chart below and the words likely, unlikely, certain or impossible to describe the probability. 12345678910 11121314151617181920 21222324252627282930 31323334353637383940 41424344454647484950
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  • copyright@Ed2netLearning,Inc11 What is the probability that the whole numbers from 1-50 contains a 5? Answer- unlikely
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  • copyright@Ed2netLearning,Inc12 What is the probability that the whole numbers from 1-50 is greater than 0? Answer- Certain
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  • copyright@Ed2netLearning,Inc13 What is the probability that the whole numbers from 1-50 is greater than 10? Answer- likely
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  • copyright@Ed2netLearning,Inc14 What is the probability that the whole numbers from 1-50 has 3 digits? Answer- Impossible
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  • copyright@Ed2netLearning,Inc15 What is the probability that the whole numbers from 1-50 is a multiple of 10? Answer - unlikely
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  • copyright@Ed2netLearning,Inc16 What is the probability that the whole numbers from 1-50 has only 1 digit? Answer- unlikely
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  • copyright@Ed2netLearning,Inc17 ASSESSMENT
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  • copyright@Ed2netLearning,Inc18 Answer Questions (1-4) using the cubes. 1.What is the probability that on tossing you get 7? All sides of cube Answer - Impossible
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  • copyright@Ed2netLearning,Inc19 2.What is the probability that you will get a multiple of 2 if you roll the cube? Answer- Likely
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  • copyright@Ed2netLearning,Inc20 3.What is the probability that you will get 3 on rolling the dice? Answer- unlikely
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  • copyright@Ed2netLearning,Inc21 4.What is the probability that you will get a number less than 6 on rolling the dice? Answer- Certain
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  • copyright@Ed2netLearning,Inc22 A Candy bag has 2 cherry candies and 6 banana candy. Answer questions (5-7) 5. Kerry is going to pick one candy from the bag. What is the probability that she will pick a banana candy? Answer - likely
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  • copyright@Ed2netLearning,Inc23 6.What is the probability that she will pick a cherry candy? Answer- Unlikely
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  • copyright@Ed2netLearning,Inc24 7.What is the probability that she will pick a candy? Answer- Certain
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  • copyright@Ed2netLearning,Inc25 A spinner is divided into 9 equal sections numbered 1 through 9. Answer questions (8-10).
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  • copyright@Ed2netLearning,Inc26 8.If Jack spins the spinner, what is the probability that he will land on a number less than 8? Answer - Certain
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  • copyright@Ed2netLearning,Inc27 9. What is the probability that he will land on either an odd or even number less than 10 ? Answer - Certain
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  • copyright@Ed2netLearning,Inc28 10. What is the probability that he will land on 2 digit number? Answer- Impossible
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  • copyright@Ed2netLearning,Inc29 Recap Probability Possible outcomes Likely and unlikely Certain and Impossible Solved Examples Practice Problems
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  • copyright@Ed2netLearning,Inc30 Well Done! Now practice worksheets on the lesson.

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