Download Find the absolute value of the integers listed below. Tell the opposite

Name: ______________________
Date: __________ Period: _____ Due 9-2-16
HW: MCC7.NS.1&2: Operations with Rational Numbers Review
Find the absolute value of the integers listed below.
1) |-6| + |5|
2) -|-15|
A. 11
C. -11
A. 5
C. 15
B. 1
D. -1
B. -|5|
D. -15
Tell the opposite of each number.
3) -3
4) 13
Compare and order rational numbers. Use
5) -16
A.
-20
, =, or
7) -8.4
B. =
C.
A.
8) |10|
-8.8
B. =
C.
|-10|
6)
A.
B. =
A.
C.
9) Order the integers from least to greatest.
B. =
C
10) The low temperatures over four January
-14, 13, 0, 7, -12, -1
days in Danville were -5°, 1.5°, 1.2°, and -2.5°.
How are these temperatures ordered from
coldest to warmest?
Add, subtract, multiply, and divide positive and negative rational numbers.
11)
12)
-2.5 • -8 =
13)
-9 + (-6) =
A. -20
C. 20
A. 3
C. 15
B. 10.5
D. -16.5
B. -15
D. -3
-23 ÷ 0.5 =
14)
-5 – (-2) =
A. -11.5
C. 11.5
A. 3
C. -7
B. -46
D. 46
B. -3
D. 7
Solve problems using rational numbers.
15) The net change in the price of a stock over a
17) Divers discovered a shipwreck lying 54 feet
one-year period was -$174. What was the
below sea level. The crane they rented to
average change per month?
hoist up pieces of the wreck stood 87 feet
above sea level. What is the distance
between the level of the wreck and the level
of the crane?
16) A submarine started at the surface of the
water and was moving down at -15 kilometers
18) The temperature in the afternoon was -2ºF.
per minute toward the ocean floor. The
The temperature rose 12 degrees overnight.
submarine traveled at this rate for 48
What was the temperature in ºF the next
minutes before coming to a rest on the ocean
morning?
floor. What is the depth of the ocean floor?
A. -720 km
C. -708 km
B. -732 km
D. 33 km
A. -14
C. 10
B. 2
D. 14
Add.
19)
-20 + 50 = _______
Multiply.
20)
-5 + (-5) = _______
24)
-6 • -4 = ______
25)
8 • -2 = ______
Subtract.
21)
-8 – 3 = ______
Divide.
22)
44 – (-6) = ______
26)
23)
3 – 5 = ______
27) -70 ÷ -10 = _______
-10 ÷ -2 = ______
Use Properties (Additive Inverse and Multiplicative Inverse) to Solve.
28) -50.6 + 2.7 + 50.6 + 1.3 = _________
29)
· -12 ·
= _______
Convert the fractions to decimals, then state if the decimal is terminating or
repeating.
30)
⅜ = _______
a.
terminating
b. repeating
31)
= ________
a.
terminating
b. repeating