Negative numbers and absolute value

Advanced Math 6 · Unit 4 · integers-absolute-value

integers-absolute-value

Name ______________________________Date ______________

1.
A submarine is at an elevation of $-250$ metres. How far is it from the surface, in metres?
Answer: ______________
2.
Which list is in order from least to greatest?
1. (A)
  $-\dfrac{3}{2},\ -2,\ -2.5,\ 0,\ \dfrac{1}{2}$
2. (B)
  $0,\ \dfrac{1}{2},\ -\dfrac{3}{2},\ -2,\ -2.5$
3. (C)
  $-2.5,\ -2,\ -\dfrac{3}{2},\ 0,\ \dfrac{1}{2}$
4. (D)
  $-2,\ -2.5,\ -\dfrac{3}{2},\ 0,\ \dfrac{1}{2}$
3.
At 6 a.m. the temperature was $-7^\circ$ C. At noon it was $-3^\circ$ C. Which statement is correct?
1. (A)
  $-7 > -3$ , so 6 a.m. was warmer.
2. (B)
  $-3 > -7$ , so noon was warmer.
3. (C)
  $\lvert -7 \rvert < \lvert -3 \rvert$ , so 6 a.m. was warmer.
4. (D)
  Both are below $0$ , so they are equally cold.
4.
Compute $\lvert -4 \rvert + \lvert 3 \rvert - \lvert -2 \rvert$ .
Answer: ______________
5.
On a number line, point $A$ is at $-6$ and point $B$ is at $-1$ . How many units apart are $A$ and $B$ ?
Answer: ______________