3rd Grade Math Review

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. For example, if a rectangle has a length of 6 feet and a width of 8 feet, its area is 6 x 8 = 48 square feet.

Front

What do you call a polygon with 4 sides?

Back

A polygon with 4 sides is called a quadrilateral.

Front

How do you find the width of a rectangle if you know the perimeter and length?

Back

To find the width, use the formula: Perimeter = 2(Length + Width). Rearranging gives Width = (Perimeter/2) - Length.

Front

What fraction is represented by a point on a number line?

Back

A fraction represents a part of a whole. For example, if point K is at 3 out of 8 equal parts, it represents the fraction 3/8.

Front

What is the sum of 357 and 414?

Back

The sum of 357 and 414 is 771.

Front

What is perimeter?

Back

Perimeter is the total distance around a shape. For a rectangle, it is calculated as Perimeter = 2(Length + Width).

Front

What is a triangle?

Back

A triangle is a polygon with 3 sides.

Front

What is a pentagon?

Back

A pentagon is a polygon with 5 sides.

Front

What is a hexagon?

Back

A hexagon is a polygon with 6 sides.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 3/4 = 0.75.