7th GRADE MATH MAAP REVIEW

Front

What is a representative sample in statistics?

Back

A representative sample is a subset of a population that accurately reflects the characteristics of the whole population.

Front

What is the best method to obtain a representative sample?

Back

Random sampling is the best method to obtain a representative sample, as it gives every individual an equal chance of being selected.

Front

What happens when you multiply a negative fraction by a positive fraction?

Back

The product will be negative.

Front

What is the result of multiplying two fractions where one is negative and the other is positive?

Back

The product is greater than -1 and less than 0.

Front

How do you calculate the total temperature change over time?

Back

Add the increases and subtract the decreases from the initial temperature.

Front

If the temperature rises by ½ degree each hour for 7 hours, what is the total increase?

Back

The total increase is 3.5 degrees.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

How do you find the area of a deck around a pool?

Back

Calculate the area of the larger rectangle (pool + deck) and subtract the area of the pool.

Front

What is the importance of random sampling in surveys?

Back

Random sampling helps to eliminate bias and ensures that the sample represents the population.

Front

What is the effect of temperature dropping by a certain degree each hour?

Back

It decreases the total temperature by the specified amount multiplied by the number of hours.