1.
4 + (5)
Correct Answer
B. 9
Explanation
The given expression is the sum of 4 and 5. When we add two negative numbers, the result will be a negative number. Therefore, the correct answer is 9.
2.
3 + 7
Correct Answer
C. 4
Explanation
The given expression is 3 + 7. When we add 3 and 7, we get 4.
3.
4 + (7) + (9)
Correct Answer
B. 20
Explanation
The given expression is adding three negative numbers together: 4, 7, and 9. When we add these numbers, we get 20 as the result.
4.
Evaluate h + 3 for... h = 4
Correct Answer
C. 1
Explanation
To evaluate h + 3 for h = 4, we substitute 4 in place of h. So, 4 + 3 equals 1. Therefore, the correct answer is 1.
5.
Put in order from least to greatest:
12, 0, 1, 13, 4
Correct Answer
D. 13, 1, 0, 4, 12
Explanation
The given numbers are arranged in ascending order from least to greatest. The smallest number is 13, followed by 1, then 0, then 4, and finally 12.
6.
112 is ___________________ 115
Correct Answer
A. Greater than
Explanation
112 is greater than 115 because in the number line, as we move to the left, the numbers decrease. Since 112 is to the left of 115, it is a smaller number. Therefore, it is greater than 115.
7.
Listed below are temperatures for four cities. Using this information, determine which statement is true.

Denver: 5 degrees F

Chicago: 12 degrees F

New York City: 8 degrees F

Minneapolis: 15 degrees F
Correct Answer
C. Denver is warmer than New York City and Minneapolis.
8.
The entrance to a mine is 1,890 feet above sea level. The bottom of a mine is 3,642 feet below the entrance. What is the elevation at the bottom of the mine?
Correct Answer
C. 1,752 feet below sea level
Explanation
The elevation at the bottom of the mine is 1,752 feet below sea level because the entrance to the mine is 1,890 feet above sea level and the bottom of the mine is 3,642 feet below the entrance. By subtracting the depth below the entrance from the entrance's elevation, we can determine the elevation at the bottom of the mine.
9.
On the hottest day in Richmond, Virginia, the temperature was 105 degrees F. On the coldest day, the temperature was 117 degrees F lower. What was the coldest temperature in Richmond?
Correct Answer
B. 12 degrees F
Explanation
105117
105 + 117 LEAVE CHANGE CHANGE
Different signs  subtract the numbers and keep the sign of the one you have more of.
117105 = 12
You had more negative to begin with, so your answer is 12.
10.
Bryan swam to a depth of 29 feet below sea level while diving. He descended another 31 feet. He then rose up 16 feet. Which process could be used to find Bryan's current depth?
Correct Answer
A. Start with 29, subtract 31, then add 16
Explanation
You start with 29 because below sea level is represented as a negative. To descend means to go down, so you would then subtract 31. If Bryan rose up, he went higher, so you would add 16.
11.
Which comparison is NOT true?
Correct Answer
A. 15 > 13
Explanation
Negative numbers are always smaller than positive numbers.
Numbers get smaller as they move further from zero.