Unit 5 Rational Numbers Test

True or False:

2.3 + (-2.3) is equal to zero.

• True

• False

Tags

CCSS.7.NS.A.1B

True or False:

(-3.7) + (-4.1) is positive.

• True

• False

Tags

CCSS.7.NS.A.1C

True or False:
(-2.6)  -  ( $-\frac{12}{4}$ )  is positive.

• True

• False

Tags

CCSS.7.NS.A.1C

True or False:
72 - (-100) is negative.

• True

• False

Tags

CCSS.7.NS.A.1C

Evaluate the expression:

 $-7\ \cdot\ \frac{4}{3}$  

Tags

CCSS.7.NS.A.2A

Evaluate the expression:

 $-9\ \cdot\ -\frac{5}{4}$  

Tags

CCSS.7.NS.A.2A

Evaluate the expression:

 $\frac{-36}{3}$  

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Evaluate the expression:

 $\frac{25}{-5}$  

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Evaluate the expression:

 $\frac{-810}{-9}$  

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Evaluate the expression: $-2x\ +\ 3$  

when  $x=5$  

Tags

CCSS.6.EE.A.2C