We are beginning a new unit, Probability & Statistics. Students will extend their work with ratios and proportional reasoning to consider the probability of a random event like spinning a spinner, rolling a die, or drawing randomly from a collection. To find probabilities, they will determine the number of possible outcomes for an event, and will represent probabilities as ratios using both experimental and theoretical models.
Students will interpret a probability as the proportion of the time that an event occurs when a chance experiment is repeated many times, as they develop an understanding that a probability is a number between 0 and 1 that represents the likelihood that an event will occur. They will use probabilities and proportional reasoning to estimate and predict quantities based on the number of observations of an event. As they investigate chance processes, they will observe that, while probabilities can allow them to predict likelihoods, actual results may vary from their predictions. Key Concepts:
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AuthorI have been teaching 7th grade Mathematics for 9 years. I have worked at two IB MYP schools, one in Houston, Texas, and at West End Middle for 7 years. Please feel free to email me if you have any questions, comments or concerns. Archives
May 2018
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