4th Eureka Math Squared Module 2 Review

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is the total distance around the rectangle, calculated by adding the lengths of all four sides. For a rectangle with length (l) and width (w), the formula is P = 2l + 2w.

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number. For example, 3 is a factor of 21 because 21 ÷ 3 = 7.

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. For example, 2, 3, 5, and 7 are prime numbers.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two factors. For example, 4, 6, and 8 are composite numbers.

Front

What is the only even prime number?

Back

The only even prime number is 2.

Front

How do you find the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length (l) by its width (w). The formula is A = l × w.

Front

What are multiples?

Back

Multiples of a number are the result of multiplying that number by whole numbers. For example, the multiples of 3 are 3, 6, 9, 12, etc.

Front

What is division?

Back

Division is the process of splitting a number into equal parts. It answers the question of how many times one number is contained within another.

Front

What is multiplication?

Back

Multiplication is the process of adding a number to itself a certain number of times. For example, 4 × 3 means adding 4 three times (4 + 4 + 4 = 12).

Front

What is the formula for finding the perimeter of a square?

Back

The perimeter of a square is calculated by adding the lengths of all four sides, or using the formula P = 4s, where s is the length of one side.