Factors
What number is a factor for every number? *think of what number we always start with when we list the factors of a number.
1
How do you know 5, 10, 15, 20, 25, 30, 35, 40 all have a factor of 5?
They have to end in 5 or 0.
same/equal
equivalent
Find the factors of the number 9
1,3,9
What is the missing factor?
1, 2, 3, 6, 12, 18, _____
36
parallel to the horizon
horizontal
Find the factors of the number 16.
1,2,4,8,16
Which of the following numbers are factors of 90?
a)30 b)12 c)10 d)45 e)50
30,10,45 or acd
the smaller is subtracted from the larger
difference
In the multiplication problem, 8 x 9 = 72, What are the factors?
8,9
Which choice is not a factor of 72? A. 18 B. 12 C. 17 D. 72
17 or c
separates whole number from fractions
decimal