3rd Grade Math

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is the total distance around the rectangle. It is calculated by adding the lengths of all four sides or using the formula: P = 2(length + width).

Front

If the perimeter of a rectangle is 30 cm and one side is 10 cm, what is the length of the other side?

Back

The other side is 5 cm. (P = 2(length + width) => 30 = 2(10 + width) => width = 5 cm)

Front

What is a quotient in division?

Back

A quotient is the result of dividing one number by another. For example, in 20 ÷ 4 = 5, the quotient is 5.

Front

What does it mean to find the area of a rectangle?

Back

The area of a rectangle is the amount of space inside it, calculated by multiplying the length by the width (Area = length × width).

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width.

Front

What is the missing length if the perimeter is 30 cm and one side is 10 cm?

Back

The missing length is 5 cm.

Front

What is the result of 84 ÷ 12?

Back

The result is 7.

Front

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

Back

The perimeter of a square is calculated using the formula: P = 4 × side length.

Front

If a classroom is 12 feet long and 8 feet wide, how much carpet is needed?

Back

96 square feet of carpet is needed.

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around a two-dimensional shape.