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

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

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

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

A) false
B) true

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

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

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