Number Sense
What is the opposite of 5?
-5
(-34) + 12
-22
12 * (-14)
-168
Kiki is taking a walk. First, she walks 6 miles east. Then, she turns around and goes 9 miles west.
Where is she, relative to her starting point?
3 miles west
When we multiply a positive factor and a negative factor, our product will be __________.
Negative!
What is the opposite of -67?
67!
(-8) - (-4)
-4
2/3 * (- 3/4)
- 1/2
A plane is taking off from Denver, Colorado at an elevation of 5,284 ft above sea level. How much will the plane's elevation increase by to get to its cruising altitude of 35,000 feet?
29,716
When we have a negative divisor and a positive dividend, our quotient will be __________.
Negative!
Name a negative number that is 6 units away from 2
-4
(-2.4) + 8.3
5.9
(-14.4) -: 0.8
-18
Mehdi owes DeJahn $87.50. On Wednesday, he pays DeJahn $52.25.
Write an equation to show how much money is left to pay.
(-87.50) + 52.25 = (-35.25)
When we multiply two negative factors, our product will be __________.
Positive!
What point is exactly in-between 9 and -9?
0
2 1/4 + (-3.5)
-1 1/4
(-5.2)*(-0.5)*(-3)
-7.8
Each week, Ms. Malone spends $17.38 on Dunkin'. Write an equation so show how much money she spent after 6 weeks.
(-17.38) xx 6 = (-104.28)
When we add/subtract:
If numbers have different signs, we ____________.
Subtract and keep the sign of the larger number
What point is exactly in-between -10 and 20?
5
5 2/5 + (-3 1/4) - (-2/3)
2 49/60
2 4/5 -: (-1/3)
-8 2/5
Mr. P takes out a loan for $1,800. He plans to repay the loan after 2 years, and he wants to repay an equal amount each month. Write an equation to show his monthly payment
(-1,800) -: 24 = (-75)
When we add:
If our numbers have the same sign, we __________.
Keep the sign, and add.