A) the answer when you add a number to itself
B) added together to get a multiple
C) always even
D) numbers you multiply together to get another number

A) The result of multiplying by a whole number
B) always odd
C) what you get when you divide a number up
D) the answer to a subtraction problem

A) A number that cannot be divided exactly by 2; cannot be cut in half
B) Any number that can be divided by 2; can be split evenly in 2

A) Any number that can be divided by 2; can be split evenly in 2
B) A number that cannot be divided exactly by 2; cannot be cut in half

A) odd
B) a multiple of 30
C) prime
D) even

A) a multiple of 5
B) odd
C) a factor of 6
D) a multiple of 4

A) false
B) true

A) numbers that end in 5 or 0
B) all numbers that end in 3
C) all even numbers
D) all odd numbers

A) 17
B) 25
C) 18
D) 21

A) 5
B) 3
C) 7
D) 8