Khan Academy
Khan Academy: Subtracting Decimals: Thousandths
In this exercise, students practice subtracting decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Multiply Without Regrouping
Multiply 2- or 3-digit numbers by 1-digit numbers. No regrouping or carrying. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Shmoop University
Shmoop: Fractions & Decimals: Adding & Subtracting Decimals
The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions are included.
Khan Academy
Khan Academy: Multiply by Taking Out Factors of 10
Multiply numbers like 900 x 1000 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiplication Without Regrouping
In this exercise, students practice multiplication without regrouping. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Multiplication With Carrying
In this exercise, students practice multiplication with carrying. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.