Comparing Rational #s
Classify the following number as a rational, integer, and/or whole number
2/3
Rational ONLY
How do you divide fractions? For example:
3/4 divide 2/5
Keep, change, flip. Keep the first fraction the same, change the division sign to multiplication, and flip the numerator and denominator for the second fraction
How do I find a percent of a number?
Set up the part amount over the whole amount proportionate to the percent over 100 then either make them equivalent OR perform the butterfly method.
-3.0
Integer and rational
How do you multiply fractions?
Multiply numerators straight across and denominators straight across, then simply the product.
Explain how I would find the answer. 6 is what percent of 24?
Set up 6 over 24, then x over 100. Do butterfly method by multiplying 6 and 100, then dividing the product by 24.
Classify the following number as a rational, integer and/or whole number
15/3
Whole number, integer, AND rational
How do you add/subtract fractions?
Find the least common denominator, then add the numerators.
How would I find out how many millimeters are in 10 centimeters?
Find out how many millimeters are in 1 centimeters, then put that in fraction form. Put 10 across from 1 cm, and x across from millimeters. Do butterfly method!
What is the definition of an integer?
Whole numbers, including 0, and their opposites.
How do you divide a number by a decimal?
Change the divisor the a whole number by multiplying, then the same for the dividend. For one decimal place, multiply by 10, for two multiply by 100, etc.
How would I find out the unit rate of 6 apples that cost $4.25?
Divide 4.25 by 6 to find out how much it costs for one apple!
What is the definition of a rational number?
A number that can be written in fraction form.
How do you subtract integers? How do you add integers of opposite signs?
What is 43 percent of 89?
38.27