Adding Integers
9-(-5)=
What is 14
The product of a positive and a negative is
A negative
The quotient of a negative and a negative is
A positive
What are 4 words in word problems that are used to represent a 'negative'?
Words like
descend, below, left, dropped, debt, borrowed
-7-4+10-(-20)=
What is 19.
What are 3 words used represent a positive sign in a word problem?
Words such as
up, to the right, rises, deposited, gained, ascended
2 - a + b
a= -12
b= -17
What is -3
The temperature drops 4°F each hour for 6 hours. What is the total change in temperature?
The total change of the temperature is -24 degrees F.
(10*-2)/5
What is -4
2.3+(- 4.9)
-2.6
Sofia had gained 320 followers on Instagram in one day. The next day, she lost 287 followers one week and then gained 205 the next.
How many total followers did she have after the changes?
Sofia had 238 followers after the increase and decrease.
Your bank balance is represented by
B = D – W,
where D is total deposits and W is total withdrawals.
If D = 120 and W = 135,
what’s your new balance?
B = 120 – 135 = $–15
A submarine dives 170 feet per minute for 6 minutes. What is the total change in depth?
The total change in depth is a drop of 1020 feet.
A group of 4 friends shares a $–68 debt equally after going to the arcade together. How much does each friend owe?
Each friend owes $17.
60-(-80/2)
What is 100
In a video game, you earn 15 points for every level you beat but lose 10 points when you fail.
If Gael beats 3 levels and fails 2, what’s his score change?
Gael gained 25 points.
3 × 15) + (2 × –10) = 45 – 20 = +25
Luis’s bank account starts at $–45. He deposits $62 in the ATM, then buys lunch for $12.50. What is his new total in his account?
Luis now has $4.50 in his account
The temperature in Los Angeles drops 3°F each hour for 8 hours overnight. The next day, it rises by 12°F. If it 80°F at the start of the drop, what is the new temperature in LA?
What is 68°F.
Step 1: Find total temperature drop -3 × 8 = -24°F
Step 2: Add temperature rise -24 + 12 = -12°F
Step 3: 80 - 12= 68
A teacher bought supplies for –$120 and split the cost equally among 6 students.
Each student then had paid half of their share.
How much did each student pay?
Each student paid $10
Write down all expressions whose value is negative.
(- 15)/4
15/(- 4)
(- 15)/(- 4)
(- 8)•3/4
The first, second, and fourth