Question 1

What is the correct order of operations used to solve a multi-step math expression?

Accepted Answer

Parentheses, Exponents, Multiplication/Division (left to right), Addition/Subtraction (left to right) — remembered by the acronym PEMDAS.

Question 2

What is the greatest common factor (GCF) of 36 and 48?

Accepted Answer

The GCF of 36 and 48 is 12, because 12 is the largest number that divides evenly into both 36 and 48.

Question 3

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

The LCM of 4 and 6 is 12, because 12 is the smallest number that both 4 and 6 divide into evenly.

Question 4

How do you convert a fraction to a percent?

Accepted Answer

Divide the numerator by the denominator to get a decimal, then multiply by 100 and add the percent sign.

Question 5

What is the absolute value of −15?

Accepted Answer

The absolute value of −15 is 15, because absolute value represents a number's distance from zero on the number line, which is always non-negative.

GED Mathematical Reasoning Flashcards

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