Skill Check - End of 1st Quarter Per 8

The answer to an addition problem is called the sum, while the answer to a multiplication problem is called the product. Which of the following statements correctly states the sum and the product of  $-5$ and $-7$  ?

• The sum is $-12$ and the product is $-35$ .

• The sum is $12$ and the product is $-35$ . 

• The sum is $12$ and the product is $35$ . 

• The sum is $-12$ and the product is $35$ . 

Tags

CCSS.7.NS.A.1D

Which of the following has the largest answer? (The "largest" answer is the number the farthest to the right on the number line.)

•  $15\ +\ \left(-3\right)$ 

•  $15\ -\ \left(-3\right)$ 

•  $\left(15\right)\left(-3\right)$ 

•  $\frac{15}{-3}$ 

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Remember that with the order of operations, additions and subtractions are done in order from left to right.
Evaluate:  $-10\ -\ \left(-4\right)\ +\ 3$  

•  $-17$  

•  $-11$  

•  $-9$  

• none of the above

Tags

CCSS.7.NS.A.3

Remember that with order of operations, multiplications are evaluated before addition.
Simplify:

 $\left(-8\right)\left(5\right)\ +\ \left(-4\right)\left(-10\right)$  

•  $-80$  

•  $0$  

•  $80$  

• none of the above

Tags

CCSS.7.NS.A.2C

Simplify the following variable expression by combining like terms:

 $3x\ -\ x\ +\ 6x$  

•  $-4x$  

•  $8x$  

•  $10x$  

• none of the above

Tags

CCSS.7.EE.A.1

Use the distributive property to simplify the expression:

 $-5\left(4\ +\ x\right)$  

•  $-20\ +\ x$  

•  $-20\ +\ 5x$  
  

•  $-20\ -\ 5x$  
  

• none of the above

Tags

CCSS.6.EE.A.3

Simplify the following variable expression completely:

 $5\left(2x\ -\ 1\right)\ +\ 3\left(x\ +\ 5\right)$  

•  $13x\ +\ 10$  

•  $13x$  

•  $13x\ -\ 10$  

• none of the above

Tags

CCSS.6.EE.A.3

Simplify the following:
 $\left(x^2\right)\left(x^3\right)$  

•  $x^5$  

•  $2x^5$  

•  $x^6$  

• none of the above

Tags

CCSS.HSA.APR.A.1

Simplify the following:
 $\frac{x^8}{x^2}$  

•  $x^4$  

•  $x^6$  

•  $x^{10}$  

•  $x^{16}$  

Tags

CCSS.HSA.APR.A.1

Simplify the following:

 $\left(3x^3\right)\left(4x^4\right)$  

•  $7x^7$  

•  $7x^{12}$  

•  $12x^7$  

•  $12x^{12}$  

Tags

CCSS.HSA.APR.A.1