## CCSS.Math.Content.4.OA.B.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.

Authors: National Governors Association Center for Best Practices, Council of Chief State School OfficersTitle: CCSS.Math.Content.4.OA.B.4 Find All Factor Pairs For A Whole Number... Operations and Algebraic Thinking - 4th Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/20/2014)

- I4C - Find the factor pairs of numbers up to 100 - These worksheets support the following Common Core State Standard: CCSS.Math.Content.4.OA.B.4. There are 100 worksheets available on this topic. A master answer key is available.
- Dancing Factors - Video, factor review. To get the lesson for your smartboard, go to this site: http://www.kcptech.com/dynamicnumber/downloads/Factor_Arrays.zip
- Factor Arrays - Video; explaining factors and prime.
- Factor Flashcards - When you see the number, think of as many factors as you can. Or you can show the factors and guess the number.
- Factor Lines - Arrange the four number cards (1, 2, 3 and 21) on the grid above to make a diagonal, vertical or horizontal line using factors of the number card.
- Factor Tree - Worksheet; fill in the tree with the appropriate factors
- Factor Tree - Interactive game. Find the prime factorization of numbers by completing factor trees. Then use a venn diagram to sort the prime factors.
- Factor Trees - Type in a factor, then press enter.
- Factorize - Visually explore the concept of factors by creating rectangular arrays. The length and width of the array are factors of your number.
- Hungry Bug - Eat the food that corresponds to the correct answer.