Math

Question 1

Digits

Answer 1

Digits refer to the numbers that make up other numbers
There are 10 digits 0-9
Ever number is made up of one or more digits
The ones digit is also called the units digit

Question 2

Numbers

Answer 2

A numbers is made of either a digit or a collection of digits
There is an infinite number of numbers

Question 3

Integers

Answer 3

Integers are numbers that have no fractional or decimal part
Negative, Zero, and Positive numbers
Fractions (1/2) are not integers 
Positive integers increase away from 0
Negative integers decrease away from 0

Question 4

Positive or Negative

Answer 4

Numbers can be positive or negative
Negative numbers are less than zero
Positive numbers are greater than zero
Zero is neither positive nor negative

Question 5

Even or Odd

Answer 5

Only integers possess the property of being even or odd
Fractions, decimals, and other non-integers cannot be even or odd.
Integers that are even are divisible by 2, have a remainder of 0 when divided by 2
Integers that are odd are not divisible by 2, have a remainder of 1 when divided by 2
Any integer is even if its units’ digit is even; any integer is odd if its units’ digit is odd

Question 6

Even or Odd Results

Answer 6

even + even = even
odd + odd = even
even + odd = odd
even x even = even
odd x odd = odd
even x odd = even

Question 7

Zero

Answer 7

Is an integer, but is neither positive nor negative
0 is even
0 plus any other number is equal to that other number
0 multiplied by any other number is equal to 0
You cannot divide by 0
0 is a multiple of every number

Question 8

Consecutive Integers

Answer 8

Integers listed in order of increasing value without any integers missing in between them
Fractions and decimals cannot be consecutive
Can have different types of consecutive integers, i.e. multiples of four

Question 9

Absolute Value

Answer 9

The absolute value of a number is equal to its distance from 0 on the number line
The absolute value is always positive