MATH (Review Activity 1.4)- SIMPLEST FORM (Part 1)

What is the greatest common divisor (GCD) of 9 and 21?

• 1
• 2
• 3
• 7

What is the first step in finding the GCD of two numbers?

• Divide the numbers.
• List all of the factors of each number.
• Multiply the numbers.
• Subtract the numbers.

What does it mean for a fraction to be in simplest form?

• The GCD of its numerator and denominator is 1.
• The numerator and denominator are both even numbers.
• The numerator and denominator are both prime numbers.
• The GCD of its numerator and denominator is greater than 1.

What is the GCD of 15 and 60?

• 5
• 10
• 15
• 30

How do you simplify a fraction using the GCD?

• Multiply the numerator and denominator by the GCD.
• Divide the numerator and denominator by the GCD.
• Add the GCD to the numerator and denominator.
• Subtract the GCD from the numerator and denominator.

What is the simplest form of 9/21?

• 3/7
• 1/2
• 9/21
• 1/3

What does "reducing a fraction to lowest terms" mean?

• Adding the numerator and denominator.
• Expressing a fraction in simplest form.
• Multiplying the numerator and denominator.
• Subtracting the numerator from the denominator.

If the GCD of two numbers is 1, what can you say about the fraction?

• It is not in simplest form.
• It is in simplest form.
• It is a mixed number.
• It needs to be simplified further.

What is the GCD of 8 and 12?

• 2
• 4
• 6
• 8

Which of the following fractions is already in simplest form?

• 8/16
• 5/7
• 10/20
• 15/30