Unit 2

Question 1

counting (natural numbers)

Answer 1

the set of positive numbers that begin with 1

Question 2

integers

Answer 2

counting (natural) numbers, their opposites and zero (-3, -2, -1, 0, 1, 2, 3)

Question 3

whole number

Answer 3

the set of counting (natural) numbers and zero (0, 1, 2, 3, …, n)

Question 4

rational number

Answer 4

the set of numbers that can be expressed as a fraction, where a and b are integers and b (symbol thingy) 0. The set of rational numbers is denoted by the symbol Q