What is the sum of two negative integers?
Negative
Will the product of 6 x -5 be positive or negative?
Negative.
What equation is modeled with these chips?
2 + (-3) = -1
OR
2 - 3 = -1
Mrs. Taylor owes three friends two dollars each. Write an equation to represent how much she owes in total.
3 x (-2) = -6
Evaluate
16 / (-4)
-4
What is the product of two integers with different signs?
Negative
Solve:
50 - 60 =
-10
What equation is modeled on the number line?
___ ___ = ______
6 - 2 = 4
The temperature will drop 6 degrees every day for the next four days. Which equation models the situation?
c. -6 x 4 = -24
What equation is modeled with these p’s (Positive) and n’s (Negative)?
-3 + 3 = 0
What is the quotient of two integers with the same signs?
Positive
Solve:
-45 / -5 =
9
What equation is modeled on the number line?
-3 - 6 = -9
OR
-3 + (-6) = -9
Ms. Collison was on Jeopardy. She got a 500 point question correct. Then she got a 1500 point question wrong. How many points does she have?
-1000 points
Explain how you would model -4 + 3 with chips.
Answers will vary**
Example of correct answer: I would put 4 negative chips and 3 positive chips out. Then I would take 3 positives and 3 negative chips since they cancel out and would be left with 1 negative chip.
What is Negative x Negative?
Positive
Solve
-13 + 5 - 4 =
-12
What division equation is modeled below?
-14 / 2 = -7
Write an equation to go with the situation: Mr. McCann owes her sister $9 and owes her brother $7. How much does she owe his siblings?
-9 + -7 = -16
Solve
-8 - (-7)
REMEMBER: Keep, change, change or Keep, change, flip!
-8 + 7 = -1
What is another way you could solve the problem 3 - -2.
Add its opposite, for example if you had 3 - -2, we could change it into the addition problem of:
3 + 2 = 5
Solve
-2 x 5 x (-7) =
70
What equation is modeled on this number line?
3 x -2 = -6
Mrs. Currie hikes two miles, then takes a break. She hikes two more miles, then takes another break. Finally she hikes two more miles. Write an addition and a multiplication equation to show how far Mrs. Currie hiked.
Addition: 2 + 2 + 2 = 6
Multiplication: 2 x 3 = 6
Solve
6 + (-5) + (-4)
-3