Fifteen Questions

Subject: 6th grade math Vocabulary

Twenty Questions

1 2 3 4 5

6 7 8 9 10

11 12 13 14 15

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.