Videos, examples, solutions, and lessons to help Grade 4 students learn to 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.
Common Core: 4.OA.4
Find all factor pairs using a rainbow factor line.
The following diagram shows how to use the Factor Rainbow to represent factors. Scroll down the page for more examples and solutions.
How to find all factor pairs using a T-chart?
How to find factor Pairs with Divisibility Rules?
How to find the multiples of a number using number bonds?
How to find the multiples of a number using a table?
How to find the multiples of a number using a number line?
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