Mathematics Grade 7 15 min

Find what percent one number is of another: word problems

Find what percent one number is of another: word problems

What you'll learn

  • Identify whether two events are independent using the formal definition of independence P(A∩B) = P(A)P(B) with 80% accuracy on a written quiz.
  • Solve conditional probability problems using the formula P(A|B) = P(A∩B) / P(B) in real-world scenarios, achieving a score of 70% or higher on a problem set.
  • Explain the difference between independent and dependent events, providing clear examples and justifications in a short essay with a minimum word count of 250 words, graded using a rubric focusing on clarity and accuracy.
  • Apply the concepts of independence and conditional probability to analyze and interpret data presented in contingency tables, correctly calculating probabilities in at least 4 out of 5 examples.

Tutorial Preview

1

A team won 3 out of 4 games. What percent of games did they win?

2

On a test with 20 questions, Sarah answered 18 correctly. What was her score as a percent?

3

A phone that costs $500 is on sale for $100 off. What percent is the discount?

Sample Practice Questions

Easy
There are 10 fish in a tank. 2 are gold. What percent are gold?
0.10%
1.20%
2.2%
3.50%
Easy
You ate 1 slice of a pizza cut into 4 slices. What percent did you eat?
0.10%
1.20%
2.25%
3.40%
Easy
A team played 5 games and won 4. What percent of games did they win?
0.40%
1.50%
2.75%
3.80%

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Frequently asked questions

What grade level is "Find what percent one number is of another: word problems"?

Find what percent one number is of another: word problems is a Grade 7 Mathematics lesson on ExcelOS.

What will I learn in Find what percent one number is of another: word problems?

You'll be able to: Identify whether two events are independent using the formal definition of independence P(A∩B) = P(A)P(B) with 80% accuracy on a written quiz; Solve conditional probability problems using the formula P(A|B) = P(A∩B) / P(B) in….

Is "Find what percent one number is of another: word problems" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Find what percent one number is of another: word problems?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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