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Probability

Calculating Probability WORKSHEET

Suitable for Grades: 7th Grade
CCSS: 7.SP.C.7
CCSS Description: Develop a probability model and use it to find probabilities of events. Compare probabilities from a model to observed frequencies; if the agreement is not good, explain possible sources of the discrepancy. a. Develop a uniform probability model by assigning equal probability to all outcomes, and use the model to determine probabilities of events. For example, if a student is selected at random from a class, find the probability that Jane will be selected and the probability that a girl will be selected. b. Develop a probability model (which may not be uniform) by observing frequencies in data generated from a chance process. For example, find the approximate probability that a spinning penny will land heads up or that a tossed paper cup will land open-end down. Do the outcomes for the spinning penny appear to be equally likely based on the observed frequencies?

Calculating Probability WORKSHEET DESCRIPTION

Here students are given nine different scenarios/events such as ā€œYou will spin a 10 or less than 10 on a fair spinner with 10 sections numbered 1 - 10ā€ alongside a six interval scale with ā€œimpossibleā€ at one end and ā€œcertainā€ at the other. Learners must place an arrow on the scale next to each event to show the chance of the event happening. Learners are also asked to write this probability as a fraction. All probabilities can be shown on an interval marker on the scales, although some fractions, such as 4/8, will need to be simplified before doing so.

All worksheets are created by the team of experienced teachers at Cazoom Math.

Calculating Probability Worksheet suitable for students in 7th Grade

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Frequently Asked Questions

This worksheet is specifically designed for 7th grade students who are learning about probability concepts. At this level, students are ready to work with probability scales and understand how to express chances as fractions. The combination of visual placement on scales and fraction work makes it appropriate for middle school learners.