Math OER welcome page Zoom Room Zoom logo Jamboard Jamboard logo Lectures YouTube playlist Textbook textbook cover       valid HTML 4.01
Welcome Study Skills Library Playgrounds Resources Syllabus
Shapeshifting Topic Mad  Science Topic Justice Topic Health Decisions Topic Personal Finance Topic Business Decisions

Math OER
 Turn In Problems 
 Shapeshifting Fraction Format 

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. 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.


1. Consider the following six numbers: 315, 1101, 7628, 13025, 110124, and 876. Which are divisible by 3?

315 and 110124
315, 1101, and 7628
315, 1101, and 110124
315, 1101, 110124, and 876

2. Consider the following six numbers: 315, 1101, 7628, 13025, 110124, and 876. Which are divisible by 4?

7628 and 876
7628 and 110124
7628, 110124, and 876
1101, 7628, 110124, and 876

3. How many factors does 126 have?

ten (2 × 63, 3 × 42, 6 × 21, 7 × 18, 9 × 14)
twelve (1 × 126, 2 × 63, 3 × 42, 6 × 21, 7 × 18, 9 × 14)
fourteen (1 × 126, 2 × 63, 3 × 42, 4 × 32, 6 × 21, 7 × 18, 9 × 14)

4. What is the prime factorization of 126?

12 × 6
3 × 4 × 2 × 3
2 × 3 × 4 × 7
2 × 3 × 3 × 7
2 × 2 × 2 × 3 × 3
2 × 2 × 3 × 3 × 7

5. Fully reduce the fraction 16120

215 230 260 415 430 460

6. Change 0.45 to a fraction. Remember to simplify.

920 45100 4510

7. What is the decimal notation for four-twentieths?

0.04 0.4 0.16 0.2 5

8. The Leaning Tower of Pisa is 184.5 feet tall and leans 13 feet from its base. What is the ratio of the distance it leans to its height?.

184.5 to 13 13 to 184.5 about 14.2

9. The area is 0.75 square miles. The population is 35,427 people. What is the unit rate of people per square mile?

47,236 people per square mile 26,570 people per square mile

10. Brand M soup weighs 54 ounces and costs $4.79. Brand T soup weighs 59 ounces and costs $5.99. Which is the better buy?

Brand M because it costs about 8 cents per ounce instead of 10 cents per ounce
Brand T because it costs about 8 cents per ounce instead of 10 cents per ounce
Brand M because it costs about 9 cents per ounce instead of 10 cents per ounce
Brand T because it costs about 9 cents per ounce instead of 10 cents per ounce