7-NS.1-3

What number to you need to add to +6 to get 0?

Tags

CCSS.7.NS.A.1B

A train travels east for 20 kilometers. Then it turns north and travels for 43 kilometers. Next it goes west for 20 kilometers. Finally it travels south for an unknown number of kilometers. At the end of the journey, the train is back at the original location. How far did the train travel south?

• 43 km

• 20 km

• 86 km

• 63 km

Tags

CCSS.8.G.B.8

At 11pm, it was 48*F. The temperature was 6* cooler by 7am. By 11am the temperature was 48*F again. What integer represents the number of degrees the temperature changed from 7am to 11am?

• -54

• -42

• 42

• 54

Tags

CCSS.7.NS.A.3

An object is at rest if all forces acting on the object have a net force of zero. If an object has a force of -5.5 Newtons applied to it, what force needs to be applied in order for the object to be at rest?

• 5.5 newtons

• 5 newtons

• -5 newtons

• -5.5 newtons

Tags

CCSS.7.NS.A.1B

What number do you need to add to -11 to get to 0?

Tags

CCSS.7.NS.A.1B

June starts hiking at sea level. She climbs 500ft and then descends 175 ft. Which integer represents the change in elevation June still needs to complete in order to reach sea level again?

• 175

• -500

• -175

• -325

Tags

CCSS.7.NS.A.1A

A helium atom has no charge if it has 2 protons (+) and 2 electrons (-). Which expressions best represents this helium atom with no charge?

• 2 + 2 = 0

• 2 + (-2) = 0

• 2 = -2

• 2 - -2 = 0

Tags

CCSS.7.NS.A.1B

Tammy only has $550 of debt left. If Tammy were to pay off her debt completely today, how could you represent her debt as an equation? Hint: debt means you owe money, so is it positive or negative

• d - 550 = 0

• d + 550= 0

• 550 + 550 = 1100

Tags

CCSS.HSA.CED.A.3

A neon atom has no charge if it has 10 protons (+) and 10 electrons (-). How would you represent a neon atom with no charge using a mathematical equation?

• 10 + (-10) = 0

• -10 - 10 = 0

• -10 + (-10) = 0

• 10 - (- 10) = 0

Tags

CCSS.7.NS.A.1B

If a + b = 0, then what is true about a and b?

• a = -b

• |a| > |b|

• a = - |b|

• |b| > |a|

Tags

CCSS.7.NS.A.1B