Integer modeling and operation Review

Select the best expression. Be careful the designation is the answer, not the 2nd number.

• -3 + -1

• -3 + 1

• -3 + 2

• -3 + -2

• 6 / 3 = -2

• -6 / 3 = -2

• -6 / -3 = -2

• 6/ -3 = 2

What is the best equation for the model?

• -2 - (-3) = -5

• 2 - 3 = 1

• 2 - (-3) = 1

• -2 - 3 = -5

Select the best equation for the model.

• -4 x 5 = -20

• 5 x 4 = -20

• -4 x -5 = -20

• -5 x 4 = 20

Change the following expression into an addition:

120 - (-20)

• 120 + 20

• -120 +( -20)

• -120 + 20

• 120 +(-20)

What is the answer?

• 5

• -5

Select an expression that represents the following model.

• -7 + (-3)

• -7 + (-4)

• -7 + 3

Tags

CCSS.7.NS.A.1B

What is the best equation for the model?

• -3 -2 = -1

• 3 - (-2) = 1

• 3 - 2 = 1

• -3 - (-2) = -1

What is "-5 - 10"? Use number line or skyscraper idea.

• -5

• 5

• -15

• 15

Evaluate the expression.

• -3

• 3.5

• 3

• -16