1.1- Different types of numbers

What do we call a number less than zero?

• integer
• negative number
• whole number
• positive integer

What is the name for positive whole numbers and their opposites, including zero?

• equation

• positive number

• integer

• negative number

Which of the following is an integer greater than zero? *Hint: Integers are whole numbers (no fractions or decimals).

•  $\frac{1}{2}$  

• 5

• -2

• 8.5

Numbers that end in 0, 2, 4, 6, 8 are:

• Even

• Odd

What are the counting numbers (1,2,3..) called?

• Rational Numbers

• Whole Numbers

• Natural Numbers

• Irrational Numbers

Which if the following sets contain ONLY natural numbers?

• {0, 1, 2, 3, 4, 5.………}

• {1, 2, 3, 4, 5 …………}

• $\left\{\frac{1}{5},\ \frac{1}{4},\ \frac{1}{3},\ \frac{1}{2},...\right\}$
  

• {……..-3, -2, -1, 0, 1, 2, 3...……..}

What are all prime numbers divisible by?

• 1, 2, and itself

• 1 and itself

• Every number from 1-10

• They aren't divisible at all

What is the first prime number?

• 1
• 2
• 3
• 5

Which number below is NOT prime?

• 7

• 9

• 2

• 3

Which of the following is a square number?

• 17

• 25

• 2

• 10