Khan Academy
Khan Academy: Understanding Moving the Decimal
Give the number of tens a number is being multiplied or divided by when the decimal is moved to the left or right. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: The Value of Education
The purpose of this task is for students to add, subtract, multiply, and divide decimal numbers in a real-world context. The weekly income earned by each person in the task is the median weekly income for their education level, but they...
CK-12 Foundation
Ck 12: Elem Math: Decimal Multiplication and Addition Word Problems
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to solve word problems that involve the multiplication and addition of decimals. Includes video demonstrating a sample...