What number can be added to -6 to get a sum of zero?
What is 6
200
Which expression has a greater value? -6 - 5 OR -6 - (-5)
-6 - (-5) = -1
200
-12 + 5
-7
200
4 - 11
-7
200
-10 + 30
20
200
Maria is playing a game. She started with -15 points. In the first round she won 20 points and in the second round she lost 10 points. What was the change in Maria's score?
What is -5 points
300
Cody deposited $400 into his bank account. Then he wrote a check for $175. Then he deposited another $200. Write an expression and solve to show the change in Cody's account.
400 - 175 + 200 = $425
300
The temperature in Montreal was -9 degrees Fahrenheit at sunrise. By noon it had rose to 12 degrees Fahrenheit. How much did the temperature rise in Montreal?
-9 - 12 = 21 degrees Fahrenheit
300
What is the sum of -15 and 34?
34 - 15 = 19
300
Jessica paid $25 towards the $90 bill at dinner last night. Henry paid the rest. How much did Henry pay?
90 - 25 = $65
300
What is the difference of 23 and -9?
What is 23 - (-9) = 23 + 9 = 32
400
What is the sum of -16 and -47?
-16 + (-47) = -63
400
How do you find the sum of numbers with different signs
Subtract and take the sign of the number with the greater absolute value
400
Describe how to solve: -27 - (-3)
Keep, change, change = keep -27 the same, change subtraction to addition and change -3 to 3. New equation is -27 + 3. Then subtract 27-3 = 24 and it's -24 because 27 has the greater absolute value.
400
Find the pattern and give me the next three numbers in the pattern: -1, -3, -5, -7...
-9, -11, -13
400
Show the following problem on a number line: 5 + (-3)
What is Start at 5 and move 3 units to the left (negative direction). Stop at 2.
500
6 + (-6) = 0 ... this relationship is called...
Opposites additive inverse
500
-16+18+(-17)
-15
500
-10 - 11 - (-3)
-18
500
-10 + (-2) - 5
-17
500
The temperature was -36 degrees in Antarctica at 7am. By noon it was -19 degrees. By how many degrees did the temperature increase in Antarctica?
What is -36 - (-19) = -36 + 19 = 36 - 19 = 17. The temperature increased by 17 degrees in Antarctica.