Add and subtract decimal numbers
Add and subtract decimal numbers
What you'll learn
- Apply the Pythagorean theorem to calculate the magnitude of a two-dimensional vector given its component form with 80% accuracy on a summative assessment.
- Calculate the magnitude of a three-dimensional vector given its component form, expressing the answer in simplest radical form where applicable, with 75% accuracy on a problem set.
- Explain the relationship between the components of a vector and its magnitude, justifying the use of the distance formula in vector magnitude calculation in a written explanation using proper mathematical terminology.
- Solve application problems involving vector magnitudes, such as determining the speed of an object given its velocity vector, with 70% accuracy on a quiz.
Tutorial Preview
What is 5.42 + 3.25?
What is 8.76 - 2.34?
What is 7.5 + 4.81?
Sample Practice Questions
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing FreeMore from Decimals
Mathematics for other grades
Frequently asked questions
What grade level is "Add and subtract decimal numbers"?
Add and subtract decimal numbers is a Grade 7 Mathematics lesson on ExcelOS.
What will I learn in Add and subtract decimal numbers?
You'll be able to: Apply the Pythagorean theorem to calculate the magnitude of a two-dimensional vector given its component form with 80% accuracy on a summative assessment; Calculate the magnitude of a three-dimensional vector given its component….
Is "Add and subtract decimal numbers" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Add and subtract decimal numbers?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.