UNIT 1 REVIEW

Which scenario would result in 0?

• The temperature was -8 F at 2:00 a.m. The temperature dropped 8 more degrees by 5:00 a.m. What is the temperature at 5:00 a.m.?

• The elevation in Death Valley, California, is 382 feet below sea level. The elevation in Jackson, Mississippi, is 328 feet above sea level. What is the difference between the two elevations?

• The element sodium has 11 positively charged protons and 12 neutrally charged neutrons. What is the net charge of sodium?

• Carla has $3.32 in her pocket. She wants to buy a comic book that costs $3.32. How much money will Carla have left in her pocket?

Tags

CCSS.7.NS.A.3

Which expression is modeled by the number line shown?

• -6 + 1

• -6 - 1

• 6 + 1

• 6 - 1

Tags

CCSS.7.NS.A.1B

Which expression does not correctly represent the distance between x and y on the number line?

• y + |x|

• |y - x|

• |x - y|

• x + y

Tags

CCSS.7.NS.A.1B

Which expression is equivalent to 94 – 21?

• -94 + 21

• -21 – 94

• 21 – (-94)

• 94 + (-21)

Tags

CCSS.7.NS.A.1B

Which expression(s) result(s) in negative answer(s), when simplified? Select ALL that apply.

• -3 + 2

• 2 – (-4)

• 5 – (-5)

• -1 + (-5)

• 4 + (-2)

Tags

CCSS.7.NS.A.1C

Evaluate: 5.12 + (-21.45)

• 26.57

• 16.33

• -19.76

• -16.33

Tags

CCSS.7.NS.A.1C

Which number, when substituted for m, makes the following statement TRUE? -1.5 - m = a positive number

• 1.0

• -1.5

• 0.5

• -2.0

Tags

CCSS.6.EE.B.5

Which of the following expressions is equivalent to subtracting 21 from 94?

• 94 + 21

• 94 - 21

• 21 - 94

• -21 + 94

Tags

CCSS.7.NS.A.1C

What is the value of the expression 4 + (-10) - (-6) - 5?

• -5

• -7

• -3

• 5

Tags

CCSS.7.NS.A.3

Which of the following expressions results in a positive answer based on the number line?

• a + b

• a - b

• b + d

• d - c

• a + c

Tags

CCSS.7.NS.A.1B