All positive and negative whole numbers and zero.
Integer
25 + 27 =
52
38 - 15
23
100*4*(-2)
-800
120 / 4 =
The only integer that is neither positive or negative.
0
-37 + (-13) =
(-50)
9 - (-20)=
29
8*(-4)*(-1)
32
8 / (-4) =
(-2)
A line on which numbers are marked at intervals. It is useful when adding or subtracting integers.
Number line
(-15) + 117 =
32 - (-14) =
46
-15 * 4 =
(-60)
-48 / 6 =
(-8)
A diver travels 60 feet below sea level, then up 40 feet, then down 80 more feet. What is her location relative to sea level?
-100 feet
-12 + (9) =
(-3)
-97 - (-82) =
-15
5 * (-25) =
(-125)
-135 / -15 =
9
In a game, Brian scored 4 points, then lost 6 points, then scored 3 points, and finally lost 2 points. How many points does he have now?
4−6+3−2=−1
8+(-15)=
-7
-49 - 22 =
-71
-13 * (-4) * (-2)
-104
-350 / 50 =
(-7)
A roller coaster starts at 150 feet high. It climbs 80 feet, then drops 50 feet. After that, it climbs another 70 feet, then drops 120 feet. Finally, it climbs 40 feet. What is the height of the roller coaster at the end?
150+80−50+70−120+40=170
463 + (-175) =
288
(-9) - (-43) =
34
15 * -71
-1065
3486/ -7
-498