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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the average of the numbers 4, 5, and 6.
💡 Hint: Sum the numbers and then divide by how many numbers there are.
Question 2
Easy
If the numbers are 2, 2, and 3, which number is greater than the average?
💡 Hint: First calculate the average.
Practice 1 more question and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the average of the numbers: 5, 10, and 15?
- 7
- 10
- 15
- 20
💡 Hint: Add all numbers and divide by 3.
Question 2
If all numbers in a set are less than the average, is this possible?
- True
- False
💡 Hint: Think back to the contradiction method we discussed.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the numbers 1, 2, 4, 5, 8, demonstrate that at least one number is greater than the average, then calculate the average.
💡 Hint: First, compute the average correctly before identifying the numbers altering the interpretation.
Question 2
You have temperatures recorded as 30, 32, 31, 29, and 28 degrees celcius. Prove at least one recorded temperature is above the average.
💡 Hint: Remember to sum up the temperatures and divide by the count.
Challenge and get performance evaluation