Everyday Math- 4th Grade Unit 2 Review

Front

What is a factor pair?

Back

A factor pair consists of two numbers that, when multiplied together, equal a specific product. For example, the factor pair of 12 is (3, 4) because 3 x 4 = 12.

Front

What are the factors of 12?

Back

The factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

How many minutes are in 300 seconds?

Back

5 minutes.

Front

What is the formula to convert seconds to minutes?

Back

To convert seconds to minutes, divide the number of seconds by 60.

Front

What is symmetry?

Back

Symmetry is when one shape becomes exactly like another if you flip, slide, or turn it.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. For example, 2 is a prime number.

Front

Which of the following is a prime number: 8, 2, 4, 6?

Back

2 is a prime number.

Front

What is 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.

Front

What is the perimeter of a square with side length 5 feet?

Back

The perimeter is 20 feet.