Exploring Simple Probability Concepts

The video tutorial introduces seventh graders to simple probability, focusing on expressing probabilities as fractions and percents. It uses dice to demonstrate how to calculate probabilities for different outcomes, such as rolling an even number or a specific number. The tutorial also covers scenarios involving other objects, like coins, and provides examples from Khan Academy. Students are encouraged to practice these concepts and are given tips on how to enter answers in different formats. The video emphasizes the importance of understanding probability in various contexts and offers guidance on rounding and simplifying fractions.

What does the symbol 'P' stand for in probability?

• Probability

• Product

• Permutation

• Percentage

Tags

CCSS.7.SP.C.5

How is probability most commonly represented?

• Letters

• Decimals

• Fractions and percents

• Whole numbers

Tags

CCSS.7.SP.C.5

What is the probability of rolling an even number with a die?

• 1/4

• 2/3

• 1/2

• 1/3

Tags

CCSS.7.SP.C.7A

What is the simplified form of the fraction representing the probability of rolling an even number?

• 6/6

• 2/4

• 1/2

• 3/6

Tags

CCSS.7.SP.C.7B

How do you convert a fraction to a percent?

• Add 100

• Divide by 100

• Subtract 100

• Multiply by 100

What is the probability of rolling a number greater than 2?

• 1/3

• 3/4

• 2/3

• 1/2

Tags

CCSS.7.SP.C.7B

What is the probability of rolling a nine with a die?

• 0

• 1/6

• 1/9

• 1/2

Tags

CCSS.7.SP.C.5

What is the probability of rolling any number but five?

• 4/5

• 1/5

• 1/6

• 5/6

Tags

CCSS.7.SP.C.7B

What is the probability of rolling a number less than 7?

• 100%

• 66.7%

• 50%

• 83.3%

Tags

CCSS.7.SP.C.5

In a lab with 5 salamanders, 3 crayfish, and 12 minnows, what is the probability of selecting a salamander?

• 5/20

• 5/15

• 12/20

• 3/20

Tags

CCSS.7.SP.C.7B