CSET Multiple Subjects Subtest 2: Math, Science
Exam Questions and Correct Answers| Latest
Update
Order of Operations
PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
(between roots and exponents, do whatever comes first in the problem)
What is the easiest way to find a common denominator?
multiply all the denominators
How do you multiply fractions?
multiply numerator x numerator
multiply denominator x denominator
(don't need a common denominator)
,how do you divide fractions?
flip the second fraction and then multiply
Z^-2
1
---
zxz
perfect square number
Taking a positive integer and multiplying it by itself equals a perfect square.
Example: 3 x 3 = 9
9 is a perfect square.
what is the distributive property?
A (B+C) = AB + AC
what is the opposite of distributing?
factoring
what does the commutative property of addition and multiplication tell us?
order does not matter
, a+b=b+a
axb=bxa
what does the associative property of addition and multiplication tell us?
grouping does not matter
A + (B + C) = (A + B) + C
identity property of addition
any number + 0 equals itself
identity property of multiplication
any number x 1 equals itself
cerebral cortex
part of the nervous system; 4 lobes, spatial awareness, consciousness, language,
vision (thinking)
cerebellum
part of the nervous system; gray area in back, timing of motor movement
Exam Questions and Correct Answers| Latest
Update
Order of Operations
PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
(between roots and exponents, do whatever comes first in the problem)
What is the easiest way to find a common denominator?
multiply all the denominators
How do you multiply fractions?
multiply numerator x numerator
multiply denominator x denominator
(don't need a common denominator)
,how do you divide fractions?
flip the second fraction and then multiply
Z^-2
1
---
zxz
perfect square number
Taking a positive integer and multiplying it by itself equals a perfect square.
Example: 3 x 3 = 9
9 is a perfect square.
what is the distributive property?
A (B+C) = AB + AC
what is the opposite of distributing?
factoring
what does the commutative property of addition and multiplication tell us?
order does not matter
, a+b=b+a
axb=bxa
what does the associative property of addition and multiplication tell us?
grouping does not matter
A + (B + C) = (A + B) + C
identity property of addition
any number + 0 equals itself
identity property of multiplication
any number x 1 equals itself
cerebral cortex
part of the nervous system; 4 lobes, spatial awareness, consciousness, language,
vision (thinking)
cerebellum
part of the nervous system; gray area in back, timing of motor movement
