MCA Math Prep - 8th grade

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 3 1/4.

Front

Convert the mixed number 3 1/4 to an improper fraction.

Back

Front

What is a rational number?

Back

Front

What is the difference between whole numbers and natural numbers?

Back

Natural numbers are the set of positive integers (1, 2, 3, ...), while whole numbers include all natural numbers and zero (0, 1, 2, 3, ...).

Front

Back

Front

What is the least common multiple (LCM) of 4 and 6?

Back

The LCM of 4 and 6 is 12.

Front

What is the greatest common divisor (GCD) of 8 and 12?

Back

The GCD of 8 and 12 is 4.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

Area = 5 cm × 3 cm = 15 cm².

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).