xIntegers with rational numbers or real numbers

At 2 a.m., the temperature was -4 degrees Celsius (°C). If the temperature rises 1ºC per hour, what will be the temperature at 7 a.m.?

_{Use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation. (MAFS.6.NS.3.5)}

• 4ºC

• 2ºC

• 1ºC

• -9ºC

Researchers have built a tower 200 feet tall at the bottom of a valley that is 50 feet below sea level. How far above sea level is the top of the tower?

_{Use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation. (MAFS.6.NS.3.5)}

• 60 feet

• 90 feet

• 150 feet

• 210 feet

What is the opposite of −8? The answer is (a)   .

_{Recognize opposite signs of numbers as indicating locations on opposite sides of 0 on the number line. (MAFS.6.NS.3.6a)}

• 8
• -8
• 0
• -4

Which of the statements is true?

_{Recognize that the opposite of the opposite of a number is the number itself, e.g., –(–3) = 3, and that 0 is its own opposite. (MAFS.6.NS.3.6a)}

• The opposite of the opposite of 8 is -8.

• The opposite of the opposite of 8 is -1/8.

• The opposite of the opposite of 8 is 1/8.

• The opposite of the opposite of 8 is 8.

The table below shows the low temperature in a town each day for four days. Which of the following lists the temperature in order from least to greatest.

_{Distinguish comparisons of absolute value from statements about order. (MAFS.6.NS.3.7d)}

• 1, -3, 5, -8

• - 3, -8, 1, 5

• -8, -3, 5, 1

• -8, -3, 1, 5

James, Bob, and George are playing a game. At the end of the game, James had scored -10 points, Bob 5 points, and George -3 points. If the object of the game is to score the most points, which of these claims is true?

_{Distinguish comparisons of absolute value from statements about order. (MAFS.6.NS.3.7d)}

• James won the game because 10 is located to the right of 3 and 5 on a number line.

• Bob won the game because 5 is located to the right of -3 and -10 on a number line.

• George scored better than Bob because -3 is to the left of 5 on the number line.

• James scored better than George because -10 is to the left of -3 on the number line.

Camillo owes $1,827 on his auto loan. Bruno owes $1,742 on his loan. Antonio sold his car for $1,100. Which expression represents these amounts?

_{Interpret statements of inequality as statements about the relative position of two numbers on a number line diagram. (MAFS.6.NS.3.7a)}

• 1,100 < -1,242 < 1,827

• 1,100 < -1,827 < -1,242

• -1,827 < -1,242 < 1,100

In one area, the sea floor is 1,234 feet below sea level. Another location is 3,456 feet below sea level. Which inequality compares the locations of the two areas?

_{Interpret statements of inequality as statements about the relative position of two numbers on a number line diagram. (MAFS.6.NS.3.7a)}

• -1,234 < 3,456

• -1,234 > -3,456

• 1,234 > 3,456

The elevation of a specific point in the sea is given as -234ft. What does this mean?

_{Use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation. (MAFS.6.NS.3.5)}

• 234ft below sea level

• 234ft above sea level

• -234ft below sea level

• -234ft above sea level

Find the opposite of -6

• -6

• +6

• none