Mathematics 7- Second Q Reviewer

A number is called__________ if its square root is a whole number.

• Perfect Square

• Perfect Cube

• Rational

• Irrational

A real number that cannot be expressed as quotient of two integers ab, where b ≠ 0, is called __________.

• Perfect Square

• Perfect Cube

• Rational

• Irrational

Which of the following numbers is irrational?

• 0.888

• √36

• 2π

• √5

What is the base unit of length in the metric system?

• gram

• meter

• kilometer

• inch

How many centimeters are there in 1 inch?

• 1.61

• 2.54

• 3.14

• 3.79

What is the formula for the area of a circle?

• πr2

• 1/2 πr

• 2 πr

• πr2h

What is the formula for the volume of a cylinder?

• πr2h

• 1/3 Bh

• s2

• lwh

Find the volume of a cylinder with a radius of 5 cm and a height of 6 cm.

• 451 cm3

• 461 cm3

• 471 cm3

• 481 cm3

What is the formula for the volume of a pyramid?

• 1/3 bh

• lwh

• s2

• lw

What is the area of a square if its side measures 5 cm long?

• 15cm2

• 20cm2

• 25cm2

• 30 cm2