NJSLA Grade 7 Math Unit 3 Practice Test

Front

What is the scale on a map if 5 centimeters represents 2 kilometers?

Back

The scale is 5 cm = 2 km.

Front

How many centimeters on the map represent an actual distance of 5 kilometers?

Back

12.5 centimeters.

Front

If a train travels \(\frac{1}{5}\) of the distance between two cities in \(\frac{3}{4}\) of an hour, what fraction of the distance can it travel in one hour?

Back

\(\frac{4}{15}\) of the distance.

Front

What does it mean if Brand X has a greater but less consistent number of almonds compared to Brand Y?

Back

Brand X has more almonds on average, but the number varies more widely.

Front

How do you calculate the percent of students who chose a specific location?

Back

(Number of students who chose the location / Total number of students) x 100.

Front

Which class had the greatest percent of students choosing the museum?

Back

Class H.

Front

What is the ratio of students who chose the zoo to those who chose the planetarium if it is \(1\frac{1}{8}\)?

Back

The total number of students who chose the zoo is \(1\frac{1}{8}\) times the total number who chose the planetarium.

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Front

What is the importance of consistency in data comparison?

Back

Consistency indicates reliability in data, showing that results are stable across different samples.

Front

How do you find the total number of students who chose a location from a survey?

Back

Add the number of students from each class who chose that location.