The objective of this lesson is for students to learn the process of adding and subtracting decimals, by lining up numbers based on their place value, and using the arithmetic skills they learned in previous lessons.
Decimals are used everyday in many disciplines, including the sciences, accounting, and economics. Students must develop number sense awareness, including place values involving decimals and how to add and subtract decimals, so that they can apply this skill when needed in the real world.
This video illustrates the steps in properly adding and subtracting decimals.
This worksheet will give students practice in adding decimals (after watching the video).
This worksheet can be used for practice of subtracting decimals (after watching the video).
*Page 2 is an answer key.*