Integers and Rational Numbers
An Integer
A whole number and its opposite
31/9-¼=
3 7/36
A Rate is...
a quantity or frequency of one measure against some other measure
How can you tell if something is proportional on a graph
What is straight and goes through orgin
The unit rate of 3/6
What is 1/2
How do you write a negative number inside an equation?
By putting parentheses around the negative number so you don't mix them up
What is a rational number
A decimal that terminates or repeats and a integer or fraction
A class has a ratio of girls to boys is 7:14. If this is the same for the school which has 210 students what is the rate for the whole school.
70 to 140
Do you have to use a graph to show constant of proportionality? And if not what are other ways of showing this?
No and you can use a table of values, and an equation
What is absolute value
The distance of a number to zero
An integer be a decimal or fraction?
True
False
False
1 ⅓ x 2
What is 6 ⅔
A unit rate is the _____ version of a rate
What is simplified
In a bag of red and green sweets, the ratio of red sweets to green sweets is 3:4. If the bag contains 120 green sweets, how many red sweets are there? Create a graph to show the constant of proportionality.
90 red sweets
Mr. Batson sold 144 bags of popcorn and 219 bottles of water in 3 days. At this rate, how many more bottles of water than bags of popcorn will Mr. Batson sell in 5 days?
125 more
Can a rational number be an integer?
No but an integer is a rational number
How can you add and subtract rational numbers
You must first find a common denominator unless it is a decimal. Then normally add or subtract and get the answer.
If Sally pays $174 every 4 months for guitar lessons. At this rate, how much will she pay in 3 years?
$1,566
A proportion
What is a part, share, or number considered in comparative relation to a whole
If John does 45 jumping jacks in 30 seconds and Fawn does 15 in 10 seconds. If they continue doing this at a constant speed. Are they proportionate?
Yes
Integers on a number line
What is whole numbers marked at equal intervals the distance between any two following integers on a number.
4.6 + 5=
9.6
A Ratio...
is comparing two numbers to each over
Can a proportional sequence ONLY go through the origin or be straight
True
False
False
When multiplying two negatives what will the answer be
What is a positive