Integers Review

Write an integer to match the following scenario, a temperature of 10 degrees below zero.

• -10

• -11

• 10

• 11

Answer explanation

The scenario describes a temperature of 10 degrees below zero, which is represented as -10. Therefore, the correct integer is -10, as it accurately reflects the specified temperature.

Tags

CCSS.6.NS.C.5

Write an integer to match the following scenario, 5000 feet above sea level.

• 5000

• -5000

• 1000

• -1000

Answer explanation

The scenario specifies 5000 feet above sea level, which is a positive elevation. Therefore, the correct integer to represent this height is 5000, making it the only appropriate choice.

Tags

CCSS.6.NS.C.5

What is the opposite of the opposite of 12?

• 12

• -12

• 13

• -13

Answer explanation

The opposite of 12 is -12. The opposite of -12 is 12. Therefore, the opposite of the opposite of 12 is 12.

Tags

CCSS.6.NS.C.6A

What is the opposite of the integer on the number line?

• 0

• -7

• 7

• 1

Answer explanation

The opposite of an integer is its negative counterpart. For the integer 7, the opposite is -7, which is the correct choice. The other options do not represent the opposite of 7.

Tags

CCSS.6.NS.C.6A

What is an integer?

• A positive number

• A fraction

• A negative number only

• A negative or positive whole number

Answer explanation

An integer is defined as a whole number that can be either positive or negative, including zero. Therefore, the correct choice is 'A negative or positive whole number', as it encompasses all integers.

Tags

CCSS.6.NS.C.5

-15 - 3

• 12

• -12

• -18

• 18

Answer explanation

To solve -15 - 3, subtract 3 from -15. This results in -18, as moving left on the number line from -15 by 3 gives -18. Therefore, the correct answer is -18.

Tags

CCSS.7.NS.A.1C

-2 + 4

• -2

• 2

• 0

• -4

Answer explanation

To solve -2 + 4, add 4 to -2. This can be visualized on a number line: starting at -2 and moving 4 units to the right lands you at 2. Therefore, the correct answer is 2.

Tags

CCSS.7.NS.A.1C

3 + -7

• 10

• 4

• -10

• -4

Answer explanation

To solve 3 + -7, you add 3 and -7. This is the same as 3 - 7, which equals -4. Therefore, the correct answer is -4.

Tags

CCSS.7.NS.A.1C

-9 + (-5)

• -14

• 14

• -4

Answer explanation

To solve -9 + (-5), add the two negative numbers. This results in -9 - 5, which equals -14. Therefore, the correct answer is -14.

Tags

CCSS.7.NS.A.1C

-8 - (-4) =

• 12

• -12

• 4

• -4

Answer explanation

To solve -8 - (-4), we rewrite it as -8 + 4. This simplifies to -4. Therefore, the correct answer is -4.

Tags

CCSS.7.NS.A.1C