What is Estimation?
What does it mean to estimate a number?
To make a guess about the value of a number.
When rounding the number 47 to the nearest ten, what is the rounded number?
50
What does it mean to cluster numbers?
Clustering numbers means grouping them together to find a central value or average.
Why is estimation important in real-life situations?
Estimation helps to make quick decisions without needing exact numbers.
Round the number 82 to the nearest ten using flexible rounding.
80
Find the average of these numbers: 4, 6, and 8.
6
Give an example of a situation where you would need to estimate.
Estimating the total cost of groceries before checking out. Any Correct Answer
If you have the number 36, how would you round it to the nearest ten?
40
How would you average the numbers 10, 20, and 30?
20.
How can rounding help you make estimates?
Rounding simplifies numbers, making calculations easier and quicker.
Explain what flexible rounding means in your own words.
Flexible rounding means adjusting a number based on its proximity to the nearest ten or hundred for easier calculations.
Explain how clustering helps in estimating.
Clustering helps identify a typical value of a group of numbers, making it easier to estimate totals.
What is the difference between an exact number and an estimation?
An exact number is precise, while an estimation is an approximate value.
If you were to round the number 235 to the nearest hundred, what would it be?
200
If you have the numbers 15, 25, and 35, what is their average?
25