4th Grade Bridges Unit 1 Review

Front

What is a composite number?

Back

A composite number is a positive integer that has at least one positive divisor other than one or itself, meaning it has more than two factors.

Front

True or False: 4 is a composite number because it has more than 2 factors.

Back

True

Front

What is the result of dividing 12 by 2?

Back

6

Front

What is a dimension in the context of an array or area model?

Back

A dimension refers to one of the factors that shows the height or width of the model.

Front

What is division?

Back

Division is the process of taking a number and breaking it into smaller equal groups.

Front

List two multiples of the number 7.

Back

7, 14

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

What is the difference between a prime number and a composite number?

Back

A prime number has exactly two distinct positive divisors: 1 and itself, while a composite number has more than two positive divisors.

Front

What is the smallest composite number?

Back

The smallest composite number is 4.

Front

How do you find multiples of a number?

Back

To find multiples of a number, you can multiply that number by integers (1, 2, 3, etc.).