Khan Academy: Equivalent Fraction and Whole Number Multiplication Problems

In this math PowerPoint, the process of multiplying whole numbers and fractions is broken down into clear, sequential steps. Examples of each step are given numerically and in simple, easy-to-understand text. Story problems and examples...

This is the second in a series of 3 Khan Academy videos on rounding whole numbers. Students watch Sal Khan round the number 423,275 to the nearest thousand by looking to the number in the hundreds place. If it is 5 or higher, you round...

Rounding is an important skill which must be used throughout the study of mathematics. This Khan Academy video is the first in a series of 3. It shows how to round the number 24,259 to the nearest hundred, using a number line.

Adding double-digit numbers can seem difficult for some students. But, this Khan Academy video makes this process clear in a developmentally sound way. Students watch as 'Sal' adds the number 46 to 43. He references each number by its...

Watch this video tutorial to learn how to multiply fractions by whole numbers. [2:18]

Lindsay solves a word problem that involves multiplying a fraction by a whole number.

Sal solves word problems that involve comparing multi-digit whole numbers.

Use area models, number lines, and tape diagrams to multiply a whole number times a fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Expand on prior knowledge of place value to teach your class how to round whole numbers. This essential skill is explained with the help of a number line before introducing the explicit rules for rounding numbers up and down. Work...

Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.