Likelihood Scale for Probabilities
Written by Adi Ackerman, Head Teacher
"Likelihood Scale for Probabilities" is written for 7th Grade (Ages 12-13), and it covers Common Core 7.SP.C.5. A 6th grader who is already steady on probability can use it too, and an older student can use it as a short review.
7th grade math worksheet: find event probabilities for a number cube and a bag of tiles, then place them on a likelihood scale. Answer key included. Part of our simple probability collection. Aligned to Common Core standards.
How do I use this worksheet?
Use the first sheets to build the basics, then the coin sheets for hands-on work. Students need one coin for the long-run flip sheet.
What students will practice
- Students will find the probability of an event as a value from 0 to 1.
- Students will match each value to impossible, unlikely, equally likely, likely or certain.
- Students will use a number line scale to describe likelihood.
Probability of Simple Events as Fractions and Percents
Probability From Mixed Item Counts
Coin Flip Probability and Long-Run Results
Coin Sequences, Complement and Fairness
Experimental Probability From Trial Tables
Choose the Model That Fits the Data
Predict Outcomes From Experimental Results
Predict Outcomes From Theoretical Probability
Curriculum Links
Common Core State Standards
Statistics and Probability · 7th Grade
Standard: Understand that the probability of a chance event is a number between 0 and 1 that expresses the likelihood of the event occurring. Larger numbers indicate greater likelihood. A probability near 0 indicates an unlikely event, a probability around 1/2 indicates an event that is neither unlikely nor likely, and a probability near 1 indicates a likely event.
View all 7.SP.C.5 worksheets →Find this in the curriculum
Browse the grade, subject, and topic this belongs to.
FAQ
How do I use this simple probability worksheet?
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Use the first sheets to build the basics, then the coin sheets for hands-on work. Students need one coin for the long-run flip sheet.
What does this worksheet teach?
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Find event probabilities for a number cube and a bag of tiles, then place them on a likelihood scale. The directions on the page read: Find the probability of each event as a value in simplest form. Then use the scale to write the word that matches that value. An answer key is included.
Can I use this simple probability worksheet for homeschool or classroom?
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Yes, both. We made it for 7th grade probability, and it works the same at home or at school. At home, a student can work through it alone and then go over it with you, which shows quickly what is solid and what needs another look. In class it works as independent practice, homework or a warm-up, and you can print one copy or a full set.
How do you find the probability of a simple event?
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Divide the number of favorable outcomes by the total number of equally likely outcomes. Write the answer in simplest form.
What does the likelihood scale show?
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It matches a probability value to words such as impossible, unlikely, equally likely, likely and certain. The Likelihood Scale for Probabilities worksheet practices this.
What is the complement of an event?
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It is the event not happening. Its probability is 1 minus the probability of the event, such as the chance of not green.
Do these worksheets have answer keys?
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Yes. All 5 worksheets in this group have answer keys.
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Worksheet Details
| Grade | 7th Grade |
| Subject | Math |
| Topic | Probability |
| Standard | 7.SP.C.5 |
| Pages | 1 page |
| Difficulty | Medium |
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Probability of Simple Events as Fractions and Percents
Probability From Mixed Item Counts
Coin Flip Probability and Long-Run Results
Coin Sequences, Complement and Fairness
Experimental Probability From Trial Tables
Choose the Model That Fits the Data
Predict Outcomes From Experimental Results
Predict Outcomes From Theoretical Probability