Addition
-7+(-9)=
-16
-8-5=
-13
-3xx8=
-24
40/-10=
-4
Dan is on a dock, which is 7 feet above the surface of the water. Below him, a fish is swimming 24 feet below the surface of the water. What is the distance between Dan and the fish?
31 feet
-45+55=
10
17-25=
-8
-10xx(-18)=
180
81div(-3)=
-27
Write an addition and a subtraction expression to represent:
Mia's team gained 4 points and then lost 6 points.
Addition: 4 + (-6)
Subtraction: 4 - 6
27 + (-88)=
-61
6-(-14)=
20
5xx(-4)xx(-7)xx8=
1,120
-120div-40=
3
Mary lost 15 points in the first round of a game. During the second round, she gained 4 points. During the third round, she gained 14 points! However, she ended up with zero points in total after the fourth round. What happened in the fourth round?
Mary lost 3 points
-3.5+(-17.02)
-20.52
45-60-10=
-25
5.67xx(-0.8)=
-4.536
-6.72div1.2=
-5.6
A rock is stuck in a tree 14 feet above sea level. It falls into the lake and rests on the bottom of the lake. The rock fell a total of 31 feet. What is the rock's depth?
Original solution:
This means that the rock is...
Original solution -17 feet
This means that the rock is 17 feet below sea level
-4 1/3+5 1/2=
1 1/6
-34-(-19)-2=
-17
-9/10xx(-2/5)
9/25
-2 4/5div3/4=
-3 11/15
Which expressions are equivalent to 3 - 4 + 10 + (-5)? Select all that apply.
a) 3 + (-4) + 10 + -5
b) 3 - 4 - (-10) + 5
c) 3 - 4 - (-10) - 5
d) 3 + (-4) + 10 - 5
a, c, d