Math Concepts Flashcards

Front

What does PEMDAS stand for?

Back

Parentheses, Exponents, Multiplication & Division (left to right), Addition & Subtraction (left to right)

Front

What is the phrase to remember PEMDAS?

Back

"Please Excuse My Dear Aunt Sally!"

Front

What do you do before adding or subtracting fractions?

Back

Find a common denominator.

Front

What’s the rule for multiplying fractions?

Back

Multiply straight across: "Top × Top, Bottom × Bottom!"

Front

What’s the rule for dividing fractions?

Back

Keep-Change-Flip (KCF): Keep the first, change ÷ to ×, flip the second.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

How do you convert a decimal to a percent?

Back

Move the decimal 2 places to the right and add a % sign.

Front

What’s the trick to convert a percent to a decimal?

Back

Move the decimal 2 places to the left.

Front

What phrase helps you remember metric prefixes?

Back

"King Henry Died By Drinking Chocolate Milk!"

Front

What does each word stand for in the metric conversion phrase?

Back

Kilo (1000), Hecto (100), Deca (10), Base (m/L/g), Deci (0.1), Centi (0.01), Milli (0.001)