7th Grade NS 1 Test Review

What equation is modeled?

• 7 + -6 = -6

• 7 + -13 = -6

• 7 + -14 = -6

• -6 + -14 = -6

What equation is modeled?

• 15 + 25 = -10
• 15 + -25 = -10
• -10 + 15 = -10
• -25 + 15 = -10

Tags

CCSS.7.NS.A.1B

What equation is modeled?

• -7 + 8 =1
• -7 + 9 = 1
• 1 + -7 = -7
• 8 + -7 = 1

Tags

CCSS.7.NS.A.1B

What is the expression for the number line?

• 6 + (-3)

• (-3) + 6

• 6 + (-9)

How do you know that 5 and -5 are opposites?

• Because they both have a 5

• They are the same distance from 0 and on opposite sides of 0

• Because they are the same

• They both are on a number line

What does absolute value mean?

• The opposite of a number
• The exact distance a number is from zero
• a negative plus a positive

Tags

CCSS.6.NS.C.7C

What is the opposite of -4.5?

• -4.5
• 0
• 4.5
• 1/4.5

Tags

CCSS.6.NS.C.5

CCSS.6.NS.C.6

A hiker is at an elevation of 238 feet above sea level. He climbs downward until his elevation has decreased by 144 ft. Which expression can be used to determine his current elevation above sea level?

• 238 + (-144)
• 238 - (-144)
• (-238) +144
• (-238) -144

Tags

CCSS.7.NS.A.1C

A monument that is 183.5 feet tall is built on a site that is 71.2 feet below sea level. How many feet above sea level is the top of the monument?

• 254.7 feet above sea level
• 112.3 feet above sea level
• 254.7 feet below sea level
• 112.3 feet below sea level

Tags

CCSS.7.NS.A.1C

Which expression is equivalent to the expression below? 

18.2  − 7.9 + (−4.8) − (−6.3)

• 18.2  + (−7.9) + 4.8 + 6.3
• 18.2  + 7.9 + 4.8 + (−6.3)
• 18.2  + (−7.9) + (−4.8) + 6.3
• 18.2  + 7.9 + (−4.8) + (−6.3)