Texas Instruments
Texas Instruments: Getting Started With Math by Hand Concept App
This App helps students build number sense skills and gain confidence at math by hand. Review how to perform algorithms for the four basic operations (Addition, Subtraction, Multiplication, and Division). A step-by-step mode emphasizes...
Texas Instruments
Texas Instruments: Math by Hand App
This App allows students to review how to perform algorithms for the four basic operations. The three modes - the step-by-step mode, fast mode, and the Missing Pieces game allows students to learn, review, and understand the concepts for...
George Mason University
Lesson Plans: Whole Number Algorithms Base Ten Blocks
Brief lesson plans that show how to use base ten blocks to do all four operations and a little bit of algebra.
Khan Academy
Khan Academy: Subtract Decimals #6
Practice the subtraction of small numbers and decimals to the hundredths.
Khan Academy
Khan Academy: Subtract Decimals 1
Subtract tenths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract Decimals 2
Subtract small whole numbers and tenths like 1.6-0.3. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract Decimals 3
Subtract larger whole numbers and tenths like 15.7-2.6. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract Decimals 7
Subtract larger whole numbers, tenths, and hundredths like 35.65-17.34. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract Decimals #5
Practice subtracting decimals to the hundredths place. Includes hints.
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.
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.