Standard 4.OA.4
Find all factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1-100 is prime or composite.
Explanation: This standard is pretty straightforward. We are teaching factors and multiples.
Factors are the numbers you multiply together to get a number:
Factors of 12: (1,2, 3, 4, 6, 12)
Factor Pairs: (1, 12) (2, 6) (3, 4)
Multiples of 12: 12, 24, 36, 48, 60, 72, 84..…and so on.
Class Lesson on Factors and Multiples 4.OA.4