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Probability Basics — Easy Worksheet 2
Grade 7 · MathSheets Name: ____________________ Date: __________
Write each probability as a fraction in simplest form.
How to solve
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Example
A bag has 2 red and 4 blue marbles. What is the probability of picking a blue marble? (as a fraction)
Answer: 23
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 5 red and 5 blue marbles. What is the probability of picking a red marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 4 red and 4 blue marbles. What is the probability of picking a red marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 3 red and 4 blue marbles. What is the probability of picking a blue marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 5 red and 1 blue marbles. What is the probability of picking a red marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 1 red and 5 blue marbles. What is the probability of picking a red marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 2 red and 1 blue marbles. What is the probability of picking a blue marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 1 red and 3 blue marbles. What is the probability of picking a blue marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Probability Basics
Probability = number of favorable outcomes ÷ total number of outcomes. Count the marbles of the color you want, count all the marbles, and write the answer as a fraction in simplest form.
Try a similar one
A bag has 5 red and 1 blue marbles. What is the probability of picking a red marble? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
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Probability Basics — Easy Worksheet 2
Write each probability as a fraction in simplest form.