CSET Multiple Subjects Subtest 2 Math, Science Questions & Answers

CSET Multiple Subjects Subtest 2
Math, Science Questions & Answers12

Order of Operations - ANSWERS-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? - ANSWERS-multiply all the
denominators



How do you multiply fractions? - ANSWERS-multiply numerator x numerator

mutiply denominator x denominator

(don't need a common denominator)



how do you divide fractions? - ANSWERS-flip the second fraction and then multiply



Z^-2 - ANSWERS-1

---

zxz

, perfect square number - ANSWERS-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? - ANSWERS-A (B+C) = AB + AC



what is the opposite of distributing? - ANSWERS-factoring



what does the commutative property of addition and multiplication tell us? - ANSWERS-order
does not matter

a+b=b+a

axb=bxa



what does the associative property of addition and multiplication tell us? - ANSWERS-grouping
does not matter

A + (B + C) = (A + B) + C



identity property of addition - ANSWERS-any number + 0 equals itself



identity property of multiplication - ANSWERS-any number x 1 equals itself



cerebral cortex - ANSWERS-part of the nervous system; 4 lobes, spatial awareness,
consciousness, language, vision (thinking)



cerebellum - ANSWERS-part of the nervous system; gray area in back, timing of motor
movement