MATH: Fractions & Decimals Flashcards
What is a ratio?
A comparison between 2 quantities
What is true about ratios?
In ratios order matters
What is a percentage?
In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100
What is an exponent?
The method of expressing large numbers in terms of powers
What is the top number of a fraction?
Numerator
What is the bottom number of a fraction?
Denominator
If someone asks you “what is 1to the power of 3” what does that mean?
1X1X1
What method do you use when dividing decimals?
Standard Algorithm
How do you multiply fractions?
By going left to right
What way do you multiply fractions?
Left to right
What is the greatest common factor in multiplication?
The greatest common factor (GCF) of a set of numbers is the largest factor that all the numbers share
What is the least common factor?
The LCM (Lowest Common Multiple) of two or more numbers is the smallest number among all common multiples of the provided numbers
How do I find the greatest common denominator?
Step 1: Find the divisors of the positive number ‘a’.
Step 2: Find the divisors of the positive number ‘b’.
Step 3: List the divisors common to ‘a’ and ‘b’.
Step 4: Find the divisor which is the highest of all the common divisors of ‘a’ and ‘b’. This is the GCD of 2 numbers.
Are you ready