G8-MATH-L6 Squares and Square Roots

What is a square number?

• A number that can be expressed as the product of two equal integers
• A number that is even
• A number that is odd
• A number that is prime

Which of the following is NOT a square number?

• 16
• 25
• 30
• 36

What is the square of 7?

• 14
• 21
• 49
• 56

If a number is a perfect square, what can it be expressed as?

• The sum of two consecutive numbers
• The sum of successive odd numbers starting from 1
• The product of three equal integers
• The difference of two squares

What is the smallest 3-digit perfect square number?

• 100
• 121
• 144
• 169

Which of the following methods can be used to find the square root of a number?

• Long Division Method
• Subtraction Method
• Addition Method
• Multiplication Method

What is the prime factorization of 36?

• 2 × 2 × 3 × 3
• 2 × 3 × 3
• 3 × 3 × 4
• 2 × 2 × 2 × 3

What is the greatest 3-digit perfect square number?

• 961
• 900
• 1000
• 1024

If a number cannot be expressed as a sum of successive odd natural numbers starting with 1, what can we conclude?

• It is a perfect square
• It is an even number
• It is not a perfect square
• It is a prime number

What is the square root of 324?

• 16
• 18
• 20
• 22