Find the sum:
7 + (-3)=
7 + (-3)= 4
9 - 4 = 5
1/2 + 1/4=
1/2 + 1/4 = 3/4
Find the difference:
3/4 - 1/2 =
3/4 - 1/2 = 1/4
A diver is 12 feet below sea level. He swims down 8 more feet. Where is he now?
-20 feet
Find the sum:
-8 + 12 =
-8 + 12 = 4
Find the difference:
-6 - 5 =
-6 -5 = -11
Find the sum:
-3.5 + 2.8 =
-3.5 + 2.8 = -0.7
Find the difference:
-2.5 - 1/4 =
-2.5 - 1/4 = -3.9
A recipe calls for –5/6 cup of sugar, but you add 7/12 cup instead. What’s the total?
-1/4 cup
Find the sum:
-15 + (-9) =
-15 + (-9) = -24
Find the difference:
-12 - (-7) =
-12 - (-7) = -5
-5/6 + 7/12 =
-5/6 + 7/12 = -1/4
Find the difference:
5/6 - (-1/3) =
5/6 - (-1/3) = 7/6 OR 1 1/6
Your bank balance is –$2.50. You spend $1.40 more. What’s your new balance?
-$3.90
Find the sum:
-40 + 27 =
-40 + 27 = -13
Find the difference
18 − (−25) =
18 − (−25) =43
Find the sum:
4.2 + (-6.75) =
4.2 + (-6.75) = -2.55
Find the difference:
-7.2 - (-3.8) =
-7.2 - (-3.8) = -3.4
A mountain hiker starts at –40 ft below sea level in a canyon, climbs up 27 ft, then goes down 15 ft. What’s their elevation?
-28 feet
Find the sum:
−40 + 27 + (−15)
−40 + 27 + (−15) = −28
Find the difference:
−20 − (−15) − 12=
−20 − (−15) −12 = -17
Find the sum:
-3/4 + 5/8 + 7/12 =
-3/4 + 5/8 + 7/12 = 23/24
Find the difference:
2/3 - 5/6 - 1/2 =
2/3 - 5/6 - 1/2 = -2/3
You had 2/3 of a candy bar, gave away 5/6 of it, then gave away another ½. How much candy bar do you have left?
-2/3 of a candy bar (you owe 2/3 of a candy bar)