CSET Multiple Subjects Subtest 2: Math, Science Exam Questions with Correct Answers

Order of Operations - Answer-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? - Answer-multiply all the denominators How do you multiply fractions? - Answer-multiply numerator x numerator mutiply denominator x denominator (don't need a common denominator) how do you divide fractions? - Answer-flip the second fraction and then multiply Z^-2 - Answer-1 --- z x z perfect square number - Answer-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? - Answer-A (B+C) = AB + AC what is the opposite of distributing? - Answer-factoring what does the commutative property of addition and multiplication tell us? - Answer-order does not matter a + b = b + a a x b = b x a what does the associative property of addition and multiplication tell us? - Answer-grouping does not matter