Lesson Tutor
Lesson Tutor: An Introduction to Decimals
A complete introduction to the decimal system is provided here. Topics included in the discussion/lesson plan are: the meaning of and need for decimals, a place value chart, tips to help remember how and when to move the decimal point,...
ClassFlow
Class Flow: Multiplying Decimals by a Power of Ten
[Free Registration/Login Required] This lesson uses a dog named Decimal to introduce the concept of moving the decimal point to simplify multiplying a decimal by a power of ten. It uses Activotes to check for understanding of the concept.
Purple Math
Purplemath: Metric Units & Converting Between Them
This resource demonstrates how to convert between various sizes of metric units quickly and easily. Metric units are very nice to work with, since they are all multiples of ten (or a hundred, or one-tenth, etc) of each other. You can...
Illustrative Mathematics
Illustrative Mathematics: 4.nf Using Place Value
Each part of this task highlights a slightly different aspect of place value as it relates to decimal notation. More than simply being comfortable with decimal notation, the point is for students to be able to move fluidly between and...
Google
Google for Education: Scientific Notation
Practice problems where students use the Python software to determine which way tho move decimal points when multiplying by exponents.
Ducksters
Ducksters: Kids Math: Multiplying and Dividing Decimals
Kids learn how to multiply and divide decimals. How to line up and move the decimal points. Example math problems are given.