Review: The Number System, Equations and Inequalities

A company loses $5,000 as the result of a manufacturing defect. The 10 owners of the company must share the loss equally. What is the change in profit in dollars for each owner?

DO NOT INCLUDE A DOLLAR SIGN

(a)  

Tags

CCSS.7.EE.B.3

Which of the following products are positive? Select all that apply.

•  $-9\ •\ 3$  

•  $-2\ •\ (-5)$  

•  $0\ •\ (-1)$  

•  $-10\ •\ (-10)$  

•  $9\ •\ (-12)$  

Tags

CCSS.7.NS.A.2A

Factor 4x+10y-16, completely.

DO NOT INCLUDE ANY SPACES IN YOUR ANSWER.

(a)  

Tags

CCSS.7.EE.A.1

Simplify the expression 3a-3b-3+5b-5a.

DO NOT INCLUDE SPACES IN YOUR ANSWER.

(a)  

Tags

CCSS.7.EE.A.1

The record high temperature in January in Linden is 69°F. The record low temperature in January in Linden is -4°F. What is the difference in the record temperatures?

JUST TYPE THE NUMBER

(a)  

Tags

CCSS.7.NS.A.1C

Lucia has $49.28 in her bank account. She made two deposits of $67.93 each, and then paid two fees of $16.74 each. What is the balance in dollars in Lucy’s account now?

DO NOT INCLUDE A DOLLAR SIGN IN YOUR ANSWER.

(a)  

Tags

CCSS.7.NS.A.3

Which expression is equivalent to $-30\div5$ ? Select all that apply.

•  $\left(30\right)\times\left(-\frac{1}{5}\right)$  

•  $\left(30\right)\div\left(-5\right)$  

•  $\left(-30\right)\div\frac{1}{5}$  

•  $\left(-30\right)\div\left(-5\right)$  

•  $\left(-30\right)\times\frac{1}{5}$  

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A car travels $5\frac{1}{2}$ miles in  $\frac{1}{5}$ of an hour. What is the rate of speed in miles per hour?

WRITE YOUR ANSWER AS A DECIMAL.

(a)  

Tags

CCSS.7.RP.A.1

A bank account loses $0.08 per day. What is the change in the bank account after 12 days?

DO NOT INCLUDE A DOLLAR SIGN IN YOUR ANSWER.

(a)  

Tags

CCSS.7.NS.A.3

Which pair of numbers is opposite? Select all that apply.

• |16| and 16

• |16| and -16

• 16 and $\frac{1}{16}$

• 16 and $-\frac{1}{16}$

• 16 and -16

Tags

CCSS.6.NS.C.6A