Prep Guide
1. Order of Operations PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
(between roots and exponents, do whatever comes first in the
problem)
2. What is the multiply all the denominators
easiest way to
find a com- mon
denominator?
3. How do you multiply multiply numerator x numerator
fractions? mutiply denominator x denominator
(don't need a common
denominator)
4. how do you
divide flip the second fraction and then multiply
fractions?
5. Z^-2 1
---
zxz
6. perfect square num- Taking a positive integer and multiplying it by itself equals a
perfect square.
ber distribu- tive property?
7. what is the
, CSET Multiple Subjects Subtest 2: Math & Science
Prep Guide
xample: 3 x 3 = 9 erfect square. A
(B+C) = AB +
AC
8. factoring
, CSET Multiple Subjects Subtest 2: Math & Science
Prep Guide
what is the opposite
of distributing?
9. what does the order does not matter
com-
mutative property of a + b = b + a
addition and axb=bxa
multi- plication
tell us?
grouping does not matter
10. what does the
as-
sociative property of A + (B + C) = (A + B) + C
addition and multi-
plication tell us?
11. identity any number + 0 equals itself
property of
addition
any number x 1 equals itself
12. identity
property of
multiplication
13. cerebral cortex part of the nervous system; 4 lobes, spatial awareness, consciousness,
lan-
guage, vision (thinking)
14. cerebellum part of the nervous system; gray area in back, timing of motor
movement
15. brain stem part of the nervous system; cord, life support, respiration, heartbeat,
active
during sleep