Random Review
What is absolute value?
The distance a number is from zero.
Add the integers
6+(-4)
2
Subtract the integers
117-119
-2
Multiply the integers
(-3)·(2)
-6
Divide the integers
15 ÷ -3
-5
Finish the statement to create a situation that makes zero:
The temperature dropped to 15 degrees below zero and...
then rises 15 degrees.
|15|
15
Add the integers
-6 + (-11)
-17
Subtract the integers
-5-7
What is -12?
Multiply the integers
(3)·(-6)
-18
Divide the integers
-28/7
-4
In the Sahara Desert one day it was 136°F. In the Gobi Desert a temperature of -50°F was recorded. What is the difference between these two temperatures?
1860F
- | –45 |
-45
Add the rational numbers.
-1/5 + -3/5
-4/5
Subtract the rational numbers.
12/4 - (-1/8)
3 1/8
(-7)·(-7)
49
Divide the integers.
-54/9
Tommy purchased 4 ice cream cones with a $10 bill. He was given $1.20 in change. What is the price of 1 ice cream cone?
$2.20
Convert the decimal to a fraction and simplify.
0.54
27/50
Add the rational numbers.
9.2 + (-2.8)
6.4
Subtract the rational numbers.
2.86 - 12.1
-9.24
(-15)·(-9)
135
Divide the integers
125/5
25
Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. What is the difference between these two elevations?
30340 feet
Convert the fraction to a decimal.
3/5
0.6
Add the rational numbers.
(-1/4) + (-0.67)
-0.92 or -23/25
Subtract the rational numbers.
(-1/4)- (-0.67)
0.42 or
21/50
Multiply the integers
2·(-7)·(-1)
14
Divide the integers
-3/8
-0.375
Sam lost 5 3/4 pounds. During the holidays, he gained 2 2 7/8 pounds. What was the total change in sam's weight?
2 7/8 pounds