7
Study Help
Graphic Organizer
You can use a four square to organize information about a topic. Each of the four squares
can be a category, such as defi nition, vocabulary, example, non-example, words, algebra,
table, numbers, visual, graph, or equation. Here is an example of a four square for the
Pythagorean Theorem.
Definition
Visual
In any right triangle, the sum
of the squares of the lengths of
2
a
the legs is equal to the square
2
c
2
b
of the length of the hypotenuse.
Pythagorean Theorem
Algebra
Example
2
2
2
6
+ 8
= c
c
c
2
36 + 64 = c
a
2
2
2
6
a
+
b
=
c
2
100 = c
10 = c
b
8
Make four squares to help you study
these topics.
1. square roots
2. cube roots
After you complete this chapter, make
four squares for the following topics.
3. irrational numbers
4. real numbers
“I’m taking a survey for my
four
square.
5. converse of the Pythagorean Theorem
How many fleas do you have?”
6. distance formula
306
Chapter 7
Real Numbers and the Pythagorean Theorem