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Front

What is the decimal equivalent of a percentage?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 16% is equivalent to 0.16.

Front

How do you estimate the average weight of multiple items?

Back

To estimate the average weight, divide the total weight by the number of items. For example, if 5 backpacks weigh 36.9 pounds, the average weight is approximately 7 lbs.

Front

What is the process for estimating the total volume of liquids in multiple containers?

Back

To estimate the total volume, add the volumes of each container. For example, 2.39 ml + 0.52 ml + 4.04 ml is approximately 7 ml.

Front

How do you determine the number of buses needed for a group of students?

Back

Divide the total number of students by the capacity of one bus. Round up to the nearest whole number if necessary.

Front

What is the relationship between fractions, decimals, and percentages?

Back

Fractions can be converted to decimals by dividing the numerator by the denominator, and to percentages by multiplying the decimal by 100.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 3/5 = 0.6.

Front

What is the importance of rounding in estimation?

Back

Rounding helps simplify calculations and provides a quick way to estimate values without needing exact numbers.

Front

What is the formula for calculating the average?

Back

The average is calculated by adding all values together and dividing by the number of values.

Front

How do you handle partial units in real-life applications?

Back

In real-life applications, you typically round up to the nearest whole unit when dealing with items that cannot be divided, such as buses.

Front

What is the significance of understanding percentages in everyday life?

Back

Understanding percentages is crucial for making informed decisions in finance, shopping, and data interpretation.