Rational Numbers
Add and Subtract integers
-3 + 6 - 3
0
true or false
15 - (-5) + 9 - 80 = -51
true
Are the following ratios proportional?
2:3
4:6
8:12
yes!
1/4
Define the term "unit rate"
A rate or ratio where the x value is 1
What is the definition of "absolute value"
Distance a number is from zero on the number line
Add the integers
-20 + 3 + (-40) + 9
-48
what is k?
constant of proportionality
How do you find 10% of any number?
Divide the whole by 10
Evaluate -2/3 times -9
6
order from least to greatest: -5 ; -5.100; -5.001
-5.100; -5.001; - 5
Add and Subtract integers
-3 + 66 + -93 + 10
-20
Find the constant of proportionality:
8:4
1/2
60 cards
What is circumference?
The distance around the outside of a circle
Evaluate:
(-56) - 72 + 416
288
Find the sum: -55.34 + 25 =
-30.34
What is the formula for the equation for all proportional relationships?
Give 1 example of a percent decrease in the real world
discount, coupon,
What is the formula for the area of a circle?
pi r squared
Multiply integers
(-3)(-21)(-8)
-504
use >, < or = to compare: -4.99 and -4.998
-4.99 > -4.998 OR
-4.998 < -4.99
When given a table of values with x and y categories, how can you find the constant of proportionality?
y divided by x
Give two examples of a percent increase in the "real world"
many! tax, tip, mark up, interest
1. Define the term "Integer".
2. Give one example of an integer
3. Give one non-example of an integer
All whole numbers and their opposites, and zero.