Addition
45+(-13)=
32
-13-9=
-22
-3/4∙2/7=
-6/28=-3/14
(-10)/10=
-1
Select all the situations that describe adding or subtracting opposite to make zero.
A - 7°F increased by 0°F
B - 7°F decreased by 0°F
C - 7°F increased by 7°F
D - 7°F decreased by 7°F
E - -7°F increased by 7°F
F - -7°F decreased by 7°F
D - 7°F decreased by 7°F
E - -7°F increased by 7°F
-2.5+(-5.25)=
-7.75
76-(-13)=
89
-1/9 (-7/8)
7/72
(-24)/4=
-6
Point P is located at –4 on a number line. The distance between Point Q and Point P is 6 1/2 units.
Which number could represent the location of Point Q?
A -9 1/2
B -1 1/2
C 2 1/2
D 10 1/2
C 2 1/2
1/7+(-1/7)=
0
-8-8=
-16
15(-15)=
-225
3/4÷(-1/3)=
-9/4=-1 5/9
What is the value of the following expression?
-8+4-7+9-2+(-5)
-9
-14+(-9)=
-23
Mr. Ecker has 10.3 gallons of water. He uses 5.6 gallons to water his plants. How much water does he have left?
4.7 gallons of water left.
Fred earns $8.25 an hour cat sitting. If he works 6 hours how much will he earn?
$49.50
Meow!
-5.6÷-0.8
7
What is the value of the following expression?
(-4/9)-(-2)
14/9=1 5/9
-8.2+24.8=
16.6
Mount Everest is the highest elevation in Asia, which is 29,028 ft above sea level. The dead sea is the lowest at 1,312 ft below sea level. What is the difference between these two elevations?
30,340 feet difference.
Steven can run 1.4 miles in 10 minutes. How far can Steven run in half an hour, if he keeps a consistent pace?
4.2 miles
-2/9÷2/5
-10/18=-5/9
A submarine starts at 62 feet below sea level. It rises 10 feet and then descends again 15 feet.
Using a negative integer, what is the submarine’s final depth?
-67 feet