Rational Number Review

True or False.

 $2.3\ +\ \left(-2.3\right)\$ is equal to zero.

• True

• False

Tags

CCSS.7.NS.A.1B

True or False.

 $\left(-3.7\right)\ +\ \left(-4.1\right)\$ is positive.

• True

• False

Tags

CCSS.7.NS.A.1C

True or False.

 $-2.6\ -\ \left(-\frac{12}{4}\right)\$ is positive.

• True

• False

Tags

CCSS.7.NS.A.2C

True or False.

 $\frac{5}{2}\ +\ \left(-2.5\right)\$ is negative.

• True

• False

Tags

CCSS.7.NS.A.1C

True or False.

 $72\ -\ \left(-100\right)$ is negative.

• True

• False

Tags

CCSS.7.NS.A.1C

A heron is perched in a tree 50 feet above sea level. Directly below the heron, a pelican is flying 17 feet above sea level.

Select all the true statements.

• The difference in height between the pelican and the heron is -33 feet.

• The difference in height between the pelican and the heron is 33 feet.

• The distance between the heights of the pelican and the heron is -33 feet.

Tags

CCSS.7.NS.A.1C

A pelican is flying 17 feet above sea level. Directly below the pelican, a trout is swimming 23 feet below sea level.

Select all the true statements.

• The difference in height between the pelican and the trout is -40 feet.

• The difference in height between the pelican and the trout is 40 feet.

• The distance between the heights of the pelican and the trout is 40 feet.

Tags

CCSS.7.NS.A.1C

Which expression has a negative value.

• x + y

• x − y

• x ⋅ y

• x ÷ y

Tags

CCSS.7.EE.B.3

 Calculate the value of the expression.

 $\left(-8\right)\times\ \frac{2}{3}$  

•  $\frac{16}{3}$  

•  $-\frac{16}{3}$  

• 12

• -12

Tags

CCSS.7.NS.A.2A

 Calculate the value of the expression.

 $\left(-8\right)\times\left(-\ \frac{2}{3}\right)$  

•  $\frac{16}{3}$  

•  $-\frac{16}{3}$  

• 12

• -12

Tags

CCSS.7.NS.A.2A