Adding Integers
(-14) + 2 =
-12
(+6) - (-6) =
+12
Hayden was in first place in a trivia competition. He scored 400 points in one category and 200 points in another category. How many points did he just score?
600 points
While hiking, Emi went up 10 metres. If Emi started at 40 metres above sea level, what is her elevation now?
50 metres
What is an integer?
A whole number that can be positive, negative, or zero
(+10) + (-30) =
-20
(-5) - (+9) =
-14
Alice was in second place in a trivia competition. She scored 500 points in one category and -300 points in another category. How many points does she have now?
200 points
At a golf tournament, the leaderboard showed that Dillon’s score in his first round was 3 and his score in his second round was -2. What is Dillon’s total score for both rounds?
1
(-8) - 6 + 15 =
1
(-25) + (+7) =
-18
(-8) - (-24) =
+16
What is the difference between a temperature of -15℃ and -10℃?
-5℃
What is the difference between a temperature of 5℃ and -7℃?
12℃
7 - 3 + (-12) =
-8
(-10) + (+4) + (+5) =
-1
(-7) - (+11) =
-18
Livia earned $50, was given $10, and spent $20. How much money does she have left?
$40
What is the difference between an elevation of 50 metres and -100 metres?
150 metres
The temperature starts at 5℃, goes up 2℃, then drops 10℃. What is the final temperature?
-3℃
(+20) + (-15) + (+4) =
+9
(+10) - (-17) =
The temperature was -14℃ in the morning and in the afternoon it went up to 8℃. What was the change in temperature?
22℃
The temperature in North Bay is 23℃. The temperature falls 7℃, then rises 12℃. What is the final temperature?
28℃
Sophia has $47 left in her bank account. If she writes a cheque for $55, how much money will she have left in her bank account?
- $8