Integer Rules
What are the rules for subtracting integers?
create an addition statement and change the second integer sign to its opposite
-91 / -13
+7
What is the product?
The answer when two or more values are multiplied together.
(-3) x (-16)
48
Addy earns $15.00 in interest each month for 7 months. How much interest will Addy have earned at the end of six months?
$105
dividing two integers with the same sign. What is the outcome?
-80 / -16
-5
What is a factor?
Numbers we can multiply together to get another number.
(-15) x (+5)
-75
. The temperature rises 3°C each hour from 6:00 a.m. to 3:00 p.m. What is the total change in temperature during this period of time
27 degrees
Multiplying two integers with the same sign. What is the outcome?
positive
(+36) / (+6)
6
What is a quotient?
the number obtained by dividing one number by another
7 x 9
63
A Tik Tok stock loses $3.50 each day over a five-day period. What is the total change in the value of the Tik Tok stock at the end of five days?
$17.50 lost at the end of 5 days
Multiplying two integers with different signs. What is the outcome?
negative
(-48) / (+8) =
-6
What is the dividend?
A number that is divided by another number (divisor) is known as a dividend.
-16 x 14
-224
Sarah’s savings change by -$15 each time she goes bowling. In all, it changed by -$345 during the summer. How many times did she go bowling in the summer?
23 times
dividing two integers with different signs. What is the result?
negative
72 / 12
6
What is the divisor?
a number that divides into another
-1280
A town uses positive numbers to track increases in population and negative numbers to track decreases in population.
The population has decreased by 300300300 residents over the past 555 years. The same number of residents left each year.
The change in the town's population each years was -60−60minus, 60.