Fifteen Questions Subject: 6 th grade math Vocabulary

Twenty Questions

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

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

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

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

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

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

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

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

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

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

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

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

13. Reflection, rotation, translation. transformation.

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

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