6.3C and 6.3D Operations with Integers

A model representing operations with numbers is shown. Which expression is represented by the model?

• -2(-4)

• -2(4)

• (-8) + 2(4)

• (-8) ÷ (-2)

The circles in the model represent positive and negative units. Which equation is true based on the model?

• (−3) + 5 = −2

• (−3) + 5 = 2

• −3 + (−5) = −2

• 3 + (−5) = 2

Which expression is represented on the number line?

• 0 - (-8)

• -2 * 4

• -2 + (-8)

• -2 ÷ 4

Which expression is represented on the number line?

• -12 ÷ -3

• 0 - (-12)

• -3 ⋅ -4

• 3(-4)

What is the value of the expression shown? 35 - (-110) ÷ 5 · 2

• -9

• 46

• 79

• -30

What was the total number of points scored by Nathan in his 4 throws?

• -6

• -4

• 2

• None of these

Julie had $237 to spend. She returned a calculator and received a $128 refund. She then bought a chair for $62. How much money in dollars and cents did Julie have to spend after buying the chair?

What is the value of the expression shown? 4(−2) + (−10) + 3(−8)

• −22

• −13

• 7

• −42

Which equation is NOT true?

• -4 + (-3) = -7

• -8(2) = -16

• 3 - (-2) = 5

• -12 ÷ (-3) = -4

The expression shown can be used to calculate the amount of money in dollars a grocery store customer should receive in change when paying with $50. 50 – (14 + 12 + 2(5) + 2(2) + 3) What amount of change in dollars should the customer receive?

• $4

• $26

• $29

• $7