Eureka 4th Grade Module 3 Review

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

What are the factors of a number?

Back

Factors of a number are the integers that can be multiplied together to produce that number.

Front

How do you determine if a number is prime or composite?

Back

To determine if a number is prime, check if it has exactly two distinct positive divisors: 1 and itself. If it has more than two, it is composite.

Front

If there are 56 chairs ordered and there are 2 times as many chairs as tables, how many tables were ordered?

Back

28 tables were ordered.

Front

What is the formula to find the total number of items needed if each student requires a certain amount?

Back

Total items needed = Number of students × Items per student.

Front

If a box contains 9 pencils, how many boxes are needed for 104 students if each student needs 7 pencils?

Back

81 boxes are needed.

Front

What is the relationship between chairs and tables in the classroom problem?

Back

The number of chairs is twice the number of tables.

Front

What is the definition of factors?

Back

Factors are numbers that divide another number without leaving a remainder.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.