Operations with integers

When a submarine starts at sea level, goes down 250 feet, rises 80 feet, and descends another 18 feet, how would this be shown mathematically?

• 250 + 80 + (-18)
• -250 + 80 - (- 18)
• 250 + -( 80) + (- 18)
• -250 + 80 + (-18)

Tags

CCSS.7.NS.A.3

If you run up 14 steps, fall down 12, and crawl up 22 more steps, how many steps are you from where you began?

• +48
• +24
• -20
• +22

Tags

CCSS.7.NS.A.3

-65 + (-23) =

• - 88
• - 42
• + 88
• + 42

Tags

CCSS.7.NS.A.1C

Which expression represents a temperature starting in the morning at 12 degrees below zero rising 14 degrees at noon, and falling 5 degrees that night?

• 12 + 14 + (-5)
• - 12 + 14 + 5
•  12 + (-14) + (-5)
• - 12 + 14 + (-5)

Tags

CCSS.7.NS.A.3

23 - 47 + 18 - (-12) =

• 6
• -18
• 56

Tags

CCSS.7.NS.A.1C

(-12) x (-10) =

• - 120
• 120

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Solve:  (-15) + 20(-3) - 10

• -25
• -85
• 5
• -55

Tags

CCSS.7.NS.A.1D

(-64)/32  + (-17)(-1) =

• 19
• -15
• -19
• 15

Tags

CCSS.7.NS.A.2C

You were given $25 for your birthday and earned another $82 shoveling snow; however, you owed your sister $115 for the sneakers you wanted. What expression represents this?

• 0 + 25 + 82 + 115
• 0 + 25 + 82 + (-115)
• 0 - 25 + 82 + 11

Tags

CCSS.7.NS.A.3

While out on an adventure you hiked up 1,015', floated down the river 800', and climbed a rock face of 40' before cliff diving and ended up 15' below the surface of the water.  How far was your fall from the cliff to your lowest point?

• 240'
• 270'
• 260'
• 215'

Tags

CCSS.7.EE.B.3