Self Practice 2025-01-03 P1: Answer Only

Front

What is the arithmetic mean?

Back

The arithmetic mean is the sum of a set of numbers divided by the count of numbers in the set. It is commonly referred to as the average.

Front

How do you calculate the average of a set of numbers?

Back

To calculate the average, add all the numbers together and then divide by the total number of values.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/2.

Front

What does it mean for a number to be less than another number?

Back

A number is less than another if it is smaller in value. For example, 3 is less than 5.

Front

How do you find the total cost when given percentages?

Back

To find the total cost, you can set up an equation based on the percentages given and solve for the total.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 is 25%.

Front

How do you determine the number of students in a group based on given conditions?

Back

You can set up equations based on the conditions provided and solve for the total number of students.

Front

What is the significance of the term 'stride' in measurement?

Back

A stride is the distance covered in one step while walking or running.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is the formula for calculating the percentage decrease?

Back

Percentage decrease = ((original value - new value) / original value) * 100.