Looking at large numbers can intimidate many young mathematicians. Use Zoe's place value machine to help learners understand the meaning behind each digit in a whole number. After learning about the ones, tens, and hundreds places,...

Break down integers with this video. A teacher gives a basic definition and provides several examples of integers. The examples cover numbers that are integers as well as numbers that are not integers. A concise video, this resource...

Here's a quick look at percentages as proportions. Percentages really are looking at numbers as a part of a whole, so it makes sense to look at it as a proportion. And how do you write proportion? You write proportions like a fraction,...

What number is 40% of 30? Learn the formula and be able to figure out all of the percent problems. The instructor demonstrates the basic formula. Then she shows how and where to plug in the numbers according to what the problem is asking...

This video explores multiplication by zero. This lesson is 9 of 10 in the series titled "Zero Property of Multiplication."

This is the first of two lessons in which you will learn how to check your answer to a subtraction problem by using rounding. This lesson deals with subtraction problems involving numbers with the same number of digits. [4:20]

This video explores multiplication by zero. This lesson is 2 of 10 in the series titled "Zero Property of Multiplication."

This video explores multiplication by zero. This lesson is 5 of 10 in the series titled "Zero Property of Multiplication."

This video explores multiplication by zero. This lesson is 7 of 10 in the series titled "Zero Property of Multiplication."