Vocabulary
A (line,plane) is named using three noncollinear points.
Plane
Find the next three terms of this sequence:
2,3,6,11...
18,27,38
Name the intersection of each pair of lines:
AC and AB
Point A
Write a converse for the conditional:
If a figure is a triangle, then it has three angles.
If a figure has three angles, then it is a triangle.
The distance around a figure is called its (perimeter,area).
Perimeter
Find the next 3 terms in the sequence...
7,11,15,19...
23,27,31
Name the intersection of each pair of lines:
FE and ED
Point E
Write a converse for the conditional:
If you are at least 16 years old, then you can get a driver's license.
If you can get a driver's license, then you are at least 16 years old.
A (line segment,ray) has a definite beginning and end point.
Line Segment
Find the next 3 terms in the sequence...
14,34,54,74...
94,114,134
Name the intersection of each pair of lines:
KJ and GK
Point K
Identify the hypothesis and the conclusion of this conditional:
If a set of points has two endpoints, then it is a line segment.
Hypothesis- A set of points has two endpoints
Conclusion- It is a line segment
A credit card or ruler can serve as a (straightedge, compass).
Straightedge
Find the next 3 terms in the sequence:
1, −3, 9, −27...
81, -243, 729
Name the intersection of plane ABC and plane BCG.
Line BC
Identify the hypothesis and the conclusion of this conditional:
If the dog barks, then it will wake the neighbors.
Hypothesis- The dog barks
Conclusion- It will wake the neighbors
It takes only one (converse,counterexample) to show that a conjecture is not true.
Counterexample
Find the next 3 terms in the sequence:
−9, 101, −999, 10001...
−99999, ... 1000001, −9999999
Name the intersection of plane DCG and plane HGF.
Line HG
Write the converse of this conditional:
If 2x=20, then x=10
If x=10, then 2x=20