Khan Academy: Finding Factors of a Number

Finding factors requires practice and a logical system, so help scholars develop this skill with these problems. They write out the factor list for 9 two-digit numbers and then circle the factors from a list for four more numbers....

Understanding place value is a basic mathematics skill. This Khan Academy video shows students how to write the number 14,897 in the expanded form. He explains that the 7 in the ones place is the same as 7x1, the 9 in the tens place is...

Sal Khan uses divisibility rules to determine if numbers are factors of 154 and then finds multiples of 14.

Locate 1 on a number line labeled with 0 and a unit fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a...

Sal adds and subtracts three-digit numbers less than 1000 using a number line. Includes a video, transcript, and question and answer section. [2:24]

In this exercise, students will learn how to find the length of one side of a polygon when the perimeter is given. Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions...

Find missing factors in 1-digit multiplication problems. Products are less than or equal to 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Demonstrate understanding of factors and multiples. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Video lesson explores how to find the prime factors of a number and how to write the prime factorization down using a "factor tree". [13:09]

In this video learn how to find the factors of a number.