4t Grade Math/FSA Night

Front

What are acute, obtuse, and right angles?

Back

Acute angles are less than 90 degrees, obtuse angles are more than 90 degrees but less than 180 degrees, and right angles are exactly 90 degrees.

Front

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

Back

A prime number has only two factors: 1 and itself. A composite number has more than two factors.

Front

What is the area model in multiplication?

Back

The area model represents multiplication as the area of a rectangle, where the length and width are the two numbers being multiplied.

Front

How do you find the value of a digit in a number?

Back

The value of a digit depends on its place in the number. For example, in 2,573, the value of 5 is 500.

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together.

Front

What is a line of symmetry?

Back

A line of symmetry divides a figure into two identical halves that are mirror images of each other.

Front

How do you compare the value of digits in different numbers?

Back

To compare the value of digits, look at their place value. For example, the 5 in 2,573 is worth 500, while the 5 in 6,459 is worth 50.

Front

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

Back

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

Front

What does it mean for an angle to be acute?

Back

An angle is acute if it measures less than 90 degrees.

Front

What does it mean for an angle to be obtuse?

Back

An angle is obtuse if it measures more than 90 degrees but less than 180 degrees.