2. Fifteen Questions Subject: 6 th grade math Vocabulary

3. Twenty Questions 12345 678910 1112131415

4. 1. A ratio that compares a number to 100. Percent.

5. 2. A whole that has exactly two factors one and itself. Prime.

6. 3. The ratios 2/3 = 4/6 are equivalent. This equation is an example of? A proportion.

7. 4. In order for a sample to be unbiased the data must be selected at_________. random.

8. 5. You can purchase 5 tickets for $25. What would the unit rate be? $5 per ticket.

9. 6. A comparison of two numbers by division. Examples 2 out of 3, 2 to 3, 2:3, 2/3 ratio.

10. 7. Any two numbers whose product is one. Flip the fraction reciprocal.

11. 8. A randomly selected group that represents a whole population. Ex. Polling sixth graders pick 20 at random to ask. sample.

12. 9. A drawing that is similar but either larger or smaller than the orginal. Scale drawing.

13. 10. Reduce a fraction to its lowest terms. simplify.

14. 11. The study of collecting, analyzing, and presenting data. statistics.

15. 12. The careful positioning of side by side shapes into a pattern. tessellation.

16. 13. Reflection, rotation, translation. transformation.

17. 14. A diagram used to show the total number of possible outcomes in a probability experiment. Tree diagram.

18. 15. What’s inside a sphere, cone or other 3-d shape. volume.