Adding Integers
+5
(+5) - (+1)
+4
What is a "zero pair"?
One positive and one negative integer are considered a "zero pair"
Adesh has $8 and he earned $15 doing chores around the house. How much money does Adesh have after doing his chores?
$23
(+8) + (+15)
What operation includes a "sum"?
Addition
(+4) + (+7)
+11
(+6) - (+9)
-3
If I have 3 NEGATIVE integer chips, how many POSITIVE integer chips would I need to represent 0?
Grace gets paid $28 to make paper boxes, but she spent $9 on supplies. How much money did Grace actually make?
$19
(+28) - (+9)
When looking for the "difference" between two numbers, what operation is being done?
Subtraction
(+8) + (-4)
(-2) - (+10)
-12
If I have 3 ZERO PAIRS, and I take away 2 NEGATIVE chips away... what integer am I representing?
+2
(0) - (-2) = +2
The temperature in Winnipeg today is a high of +11 and a low of -4. What is the difference in temperature throughout the day?
(+11) - (-4) = +15
What is the difference between a NATURAL number and an INTEGER
Natural numbers are numbers from 1,2,3...
Integers include 0 and negative numbers
(-7) + (+9)
+2
(+6) - (-6)
+12
I have 12 NEGATIVE integer chips, how can I represent the integer (+3)?
(12 zero pairs and 3 extra positive)
A drone is flying 179ft above the sea to take a video of a herd of dolphins that are 16ft underwater. What is the difference in height between the drone and the dolphins?
(+179) - (-16)
Describe "debt" and what symbol would represent debt?
Something (typically money) that is OWED
Debt is usually represented by a negative
(-11) + (-7)
(-13) - (-8)
-5
If I have 4 POSITIVE integer chips, how many NEGATIVE integer chips would I need to represent -6
(+4) + (-10) = -6
Connor buys a brand new car for $15,000. He spends an additional $500 in upgrades, but the dealership gives him $1000 for being their first customer! How much money did Connor spend in total?
$14,500
(-15,000) + (-500) + (+1000)
When using a number line, the ______ of the arrow shoes the SIGN of the integer while the _______ of the arrow shows the value of the numeral in the integer.
direction and length
direction = sign
length = numerical value