Welcome welcome page Zoom Room Zoom logo ToDoodles Jamboard logo Calculator scientific calculator on Desmos       valid HTML 4.01
Skill Topics
Shapeshifting Topic Mad Science Topic Justice Topic Typicality Study Skills
Application Topics
Playgrounds Health Decisions Topic Personal Finance Decisions Topic Business Decisions Topic
Resources
Being a Mather Class Library LCC Resources Syllabus Achievements

Math OER
Turn In Problems
Shapeshifting Rounding

The greatest reward for a student is not a good grade. It is the willingness of his teacher to listen to him.

- Nikolay Konstantinov

homework turn in box You attempted the ten exercises for this topic. Those problems did not have an answer key. Use this form to ask me how well you did.

Before using this page, you should have your homework completed on paper. (Try being nice to your eyes and posture by printing the problems so you can work with pencil and paper instead of a screen.) This page is only for submitting your homework. To be short and concise it lacks any diagrams, pictures, or tables needed to work the problems.

Answer every question. Then use the button at the bottom of the page to create a code by processing your answers. Copy-and-paste the code into an e-mail.

Keep trying until you get 8 out of 10 or more.

1. What number is two hundred twelve thousandths?

212,000 0.212

2. Which is the largest decimal? 0.243, 0.423, 0.324, 0.0423, 0.4023

0.243 0.423 0.324 0.0423 0.4023

3. Which is the smallest decimal? 0.243, 0.423, 0.324, 0.0423, 0.4023

0.243 0.423 0.324 0.0423 0.4023

4. Round 17,398.967 to the nearest ten.

17,390 17,400 17,398.96 17,398.97

5. Round 98,807.728 to the nearest tenth.

98,800 98,810 98,807.7 98,807.8

6. Round 54,498.66118 to the nearest thousand.

54,000 55,000 54,498.661 54,498.662

7. Notice that 2 ÷ 11 = 0.181818... Round that decimal to the nearest thousandth.

0.181 0.182 0.1818 0.1828

8. Alicia's rectangular garden bed has two long sides of length 2.74 meters and two short sides of length 1.22 meters. Estimate the sum of all four sides.

about 6 meters about 8 meters about 10 meters about 12 meters

9. Ben's rectangular garden bed has two long sides of length 3.048 meters and two short sides of length 0.9144 meters. Estimate the sum of all four sides.

about 6 meters about 8 meters about 10 meters about 12 meters

10. Which garden bed estimate will be closer to the actual sum? How can you know without calculating the actual sums?

Alicia's, because the provided numbers had fewer decimal digits
Alicia's, because the actual sum will be smaller
Ben's, because rounding changed the numbers less
Ben's, because the actual sum will be larger