CK-12 Foundation
Ck 12: Elem Math: Moving the Decimal Point Multiplying by Powers of 10
[Free Registration/Login may be required to access all resource tools.] For this learning module, students practice finding how many places to move the decimal point when multiplying by powers of 10. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: Elem Math: Moving the Decimal Point Dividing by Powers of 10
[Free Registration/Login may be required to access all resource tools.] For this learning module, students practice finding how many places to move the decimal point when dividing by powers of 10. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: Elem Math: Determining the Product of Two Decimals Without Calculation
[Free Registration/Login may be required to access all resource tools.] For this learning module, students practice finding the product of two decimal numbers without calculating. Instead, they look at how many places to move the decimal...
CK-12 Foundation
Ck 12: Plix: Metric Prefixes: Decimal Conversions
[Free Registration/Login Required] In this interactive you will move the point to different metric prefixes and observe how the decimal point moves and the value of the number changes. You will need a sign-in to access this media, but it...
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.
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.