Operations With Rational Numbers

Jillian owes the bank $66.25. She deposits $60.00 into her account. What is the current balance of Jillian's account?

• 6.25

• -6.25

• 126.25

• -126.25

Tags

CCSS.7.NS.A.1C

What is the value of the expression:

5.4 − (−8.35)?

• -13.75

• -2.95

• 2.95

• 13.75

Tags

CCSS.7.NS.A.1C

Which expression represents the distance between T and U on the number line?

• |−2 + −5|

• |−2 − (−5)|

• −5 − (−2)

• |−2| + |−5|

Tags

CCSS.7.NS.A.1C

Which of these expressions has the least value?

• −3 + −6

• −3 × −6

• −3 ÷ −6

• −3 − −6

Tags

CCSS.7.EE.B.3

Tags

CCSS.7.NS.A.1C

Solve

• 6

• -6

Tags

CCSS.7.NS.A.1C

Which difference is represented by this number line?

• -3 - (-2)

• -3 - 2

• -5 + (-3)

• -5 + (-2)

Tags

CCSS.7.NS.A.1B

Ions are atoms or groups of atoms with positive or negative electrical charges. The charges of two ions are shown in the table.

Two calcium ions and two chloride ions are combined.

What is the expression and what is the total charge?

• 2(2) + 2(-1) = -2

• 2(2) + 2(-1) = 2

• 2 + -1 = 3

• (2 + 2) + (2 + -1) = -3

Tags

CCSS.7.NS.A.3

What is the decimal representation of the given fraction and is it terminating or repeating.

• 2.6 Terminating

• 2.375 Terminating

• Cannot be converted to a decimal. 

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

• 5.5

• 5.75

• 5.375