Math to Remember #3

Which of the following is the correct order for Order of Operations?

• Adding or Subtracting, Exponents, Multiplication or Division, Grouping

• Grouping, Exponents, Multiplication or Division

  Add, Subtract,

• Exponents, Multiplication or Division, Adding or Subtracting, Grouping

• Multiplication or Division, Adding or Subtracting, Grouping, Exponents

Which of the following is NOT a way a ratio is written?

• 12(5)

• 12 to 5

• 12/5

• 12 : 5

What number is the exponent ? 2⁵

• 2

• 5

• 25

What number does the % sign represent?

• 0

• 1

• 10

• 100

What does PDL (Puddle) mean ?

• Percent to Fraction Left

• Percent to Decimal Left

• Decimal to Percent Left

• Fraction to Percent Left

How do you change a decimal to a percent?

• place the number over 100 as a fraction

• Move the decimal 2 places to the left

• Move the decimal 2 places to the right

• Divide the numerator by the denominator

15% of 60 is "of" means ?

• multiply

• divide

• equal

• add

When finding a unit rate, you are trying to find a number compared to what? (what does "unit" mean?)

• multiply

• 1

• answer

• regroup

When finding a unit rate you look for a rate that only has ______number in the statement.

• 1

• 5

• 2

• 0

When multiplying a number by 1/2 means you are ...

• multiplying that number by 2

• dividing that number by 2

• keep change flip